Home / 124,733.28-187,146.46-74,849.20

Finding the Fourth Proportional to 124,733.28, 187,146.46 and 74,849.20

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Solution

The fourth proportional to 124,733.28, 187,146.46 and 74,849.20 is: 112,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,733.28 : 187,146.46 = 74,849.20 : x
  2. Step 2: Convert to fraction form
    124,733.28/187,146.46 = 74,849.20/x
  3. Step 3: Cross multiply
    124,733.28x = 187,146.46 × 74,849.20
  4. Step 4: Simplify right side
    124,733.28x = 14,007,762,813.83
  5. Step 5: Solve for x
    x = 14,007,762,813.83/124,733.28
  6. Step 6: Final answer
    x = 112,301.73

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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.