Home / 131,915.76-182,052.78-74,535.24

Finding the Fourth Proportional to 131,915.76, 182,052.78 and 74,535.24

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Solution

The fourth proportional to 131,915.76, 182,052.78 and 74,535.24 is: 102,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,915.76 : 182,052.78 = 74,535.24 : x
  2. Step 2: Convert to fraction form
    131,915.76/182,052.78 = 74,535.24/x
  3. Step 3: Cross multiply
    131,915.76x = 182,052.78 × 74,535.24
  4. Step 4: Simplify right side
    131,915.76x = 13,569,347,649.97
  5. Step 5: Solve for x
    x = 13,569,347,649.97/131,915.76
  6. Step 6: Final answer
    x = 102,863.73

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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.