Home / 123,915.29-185,869.65-35,168.79

Finding the Fourth Proportional to 123,915.29, 185,869.65 and 35,168.79

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Solution

The fourth proportional to 123,915.29, 185,869.65 and 35,168.79 is: 52,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,915.29 : 185,869.65 = 35,168.79 : x
  2. Step 2: Convert to fraction form
    123,915.29/185,869.65 = 35,168.79/x
  3. Step 3: Cross multiply
    123,915.29x = 185,869.65 × 35,168.79
  4. Step 4: Simplify right side
    123,915.29x = 6,536,811,517.12
  5. Step 5: Solve for x
    x = 6,536,811,517.12/123,915.29
  6. Step 6: Final answer
    x = 52,752.26

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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.