Home / 157,540.94-217,425.18-89,568.17

Finding the Fourth Proportional to 157,540.94, 217,425.18 and 89,568.17

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Solution

The fourth proportional to 157,540.94, 217,425.18 and 89,568.17 is: 123,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,540.94 : 217,425.18 = 89,568.17 : x
  2. Step 2: Convert to fraction form
    157,540.94/217,425.18 = 89,568.17/x
  3. Step 3: Cross multiply
    157,540.94x = 217,425.18 × 89,568.17
  4. Step 4: Simplify right side
    157,540.94x = 19,474,375,044.80
  5. Step 5: Solve for x
    x = 19,474,375,044.80/157,540.94
  6. Step 6: Final answer
    x = 123,614.69

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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.