Home / 187,912.41-281,838.61-54,761.52

Finding the Fourth Proportional to 187,912.41, 281,838.61 and 54,761.52

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Solution

The fourth proportional to 187,912.41, 281,838.61 and 54,761.52 is: 82,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,912.41 : 281,838.61 = 54,761.52 : x
  2. Step 2: Convert to fraction form
    187,912.41/281,838.61 = 54,761.52/x
  3. Step 3: Cross multiply
    187,912.41x = 281,838.61 × 54,761.52
  4. Step 4: Simplify right side
    187,912.41x = 15,433,910,541.38
  5. Step 5: Solve for x
    x = 15,433,910,541.38/187,912.41
  6. Step 6: Final answer
    x = 82,133.54

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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.