Home / 131,807.17-197,716.22-38,312.92

Finding the Fourth Proportional to 131,807.17, 197,716.22 and 38,312.92

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Solution

The fourth proportional to 131,807.17, 197,716.22 and 38,312.92 is: 57,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.17 : 197,716.22 = 38,312.92 : x
  2. Step 2: Convert to fraction form
    131,807.17/197,716.22 = 38,312.92/x
  3. Step 3: Cross multiply
    131,807.17x = 197,716.22 × 38,312.92
  4. Step 4: Simplify right side
    131,807.17x = 7,575,085,177.38
  5. Step 5: Solve for x
    x = 7,575,085,177.38/131,807.17
  6. Step 6: Final answer
    x = 57,470.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.