Home / 131,902.29-182,034.09-74,521.71

Finding the Fourth Proportional to 131,902.29, 182,034.09 and 74,521.71

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Solution

The fourth proportional to 131,902.29, 182,034.09 and 74,521.71 is: 102,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,902.29 : 182,034.09 = 74,521.71 : x
  2. Step 2: Convert to fraction form
    131,902.29/182,034.09 = 74,521.71/x
  3. Step 3: Cross multiply
    131,902.29x = 182,034.09 × 74,521.71
  4. Step 4: Simplify right side
    131,902.29x = 13,565,491,665.09
  5. Step 5: Solve for x
    x = 13,565,491,665.09/131,902.29
  6. Step 6: Final answer
    x = 102,845.00

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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.