Home / 187,912.13-281,838.18-54,761.24

Finding the Fourth Proportional to 187,912.13, 281,838.18 and 54,761.24

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Solution

The fourth proportional to 187,912.13, 281,838.18 and 54,761.24 is: 82,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,912.13 : 281,838.18 = 54,761.24 : x
  2. Step 2: Convert to fraction form
    187,912.13/281,838.18 = 54,761.24/x
  3. Step 3: Cross multiply
    187,912.13x = 281,838.18 × 54,761.24
  4. Step 4: Simplify right side
    187,912.13x = 15,433,808,103.43
  5. Step 5: Solve for x
    x = 15,433,808,103.43/187,912.13
  6. Step 6: Final answer
    x = 82,133.11

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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.