Find the 4th proportion of 189, 273 and

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

Find the 4th proportion of 189, 273 and 153.

Options:

117

299

221

187

Correct Answer:

221

Explanation:

If no's are= a,b & c, then

4^th proportion = \(\frac{b×c}{a}\)

_{4^th proportion = \(\frac{273×153}{189}\) = 221}