Home / 157,528.83-217,402.68-89,567.13

Finding the Fourth Proportional to 157,528.83, 217,402.68 and 89,567.13

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Solution

The fourth proportional to 157,528.83, 217,402.68 and 89,567.13 is: 123,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,528.83 : 217,402.68 = 89,567.13 : x
  2. Step 2: Convert to fraction form
    157,528.83/217,402.68 = 89,567.13/x
  3. Step 3: Cross multiply
    157,528.83x = 217,402.68 × 89,567.13
  4. Step 4: Simplify right side
    157,528.83x = 19,472,134,101.91
  5. Step 5: Solve for x
    x = 19,472,134,101.91/157,528.83
  6. Step 6: Final answer
    x = 123,609.97

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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.