Home / 123,426.91-185,140.37-29,932.66

Finding the Fourth Proportional to 123,426.91, 185,140.37 and 29,932.66

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Solution

The fourth proportional to 123,426.91, 185,140.37 and 29,932.66 is: 44,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,426.91 : 185,140.37 = 29,932.66 : x
  2. Step 2: Convert to fraction form
    123,426.91/185,140.37 = 29,932.66/x
  3. Step 3: Cross multiply
    123,426.91x = 185,140.37 × 29,932.66
  4. Step 4: Simplify right side
    123,426.91x = 5,541,743,134.97
  5. Step 5: Solve for x
    x = 5,541,743,134.97/123,426.91
  6. Step 6: Final answer
    x = 44,898.99

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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.