Home / 157,523.07-217,387.29-89,542.89

Finding the Fourth Proportional to 157,523.07, 217,387.29 and 89,542.89

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Solution

The fourth proportional to 157,523.07, 217,387.29 and 89,542.89 is: 123,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,523.07 : 217,387.29 = 89,542.89 : x
  2. Step 2: Convert to fraction form
    157,523.07/217,387.29 = 89,542.89/x
  3. Step 3: Cross multiply
    157,523.07x = 217,387.29 × 89,542.89
  4. Step 4: Simplify right side
    157,523.07x = 19,465,486,195.87
  5. Step 5: Solve for x
    x = 19,465,486,195.87/157,523.07
  6. Step 6: Final answer
    x = 123,572.29

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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.