Home / 167,613.40-231,302.70-91,131.40

Finding the Fourth Proportional to 167,613.40, 231,302.70 and 91,131.40

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Solution

The fourth proportional to 167,613.40, 231,302.70 and 91,131.40 is: 125,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,613.40 : 231,302.70 = 91,131.40 : x
  2. Step 2: Convert to fraction form
    167,613.40/231,302.70 = 91,131.40/x
  3. Step 3: Cross multiply
    167,613.40x = 231,302.70 × 91,131.40
  4. Step 4: Simplify right side
    167,613.40x = 21,078,938,874.78
  5. Step 5: Solve for x
    x = 21,078,938,874.78/167,613.40
  6. Step 6: Final answer
    x = 125,759.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.