Home / 157,523.32-217,387.64-89,543.14

Finding the Fourth Proportional to 157,523.32, 217,387.64 and 89,543.14

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Solution

The fourth proportional to 157,523.32, 217,387.64 and 89,543.14 is: 123,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,523.32 : 217,387.64 = 89,543.14 : x
  2. Step 2: Convert to fraction form
    157,523.32/217,387.64 = 89,543.14/x
  3. Step 3: Cross multiply
    157,523.32x = 217,387.64 × 89,543.14
  4. Step 4: Simplify right side
    157,523.32x = 19,465,571,882.79
  5. Step 5: Solve for x
    x = 19,465,571,882.79/157,523.32
  6. Step 6: Final answer
    x = 123,572.64

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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.