Home / 187,610.46-281,480.73-82,414.78

Finding the Fourth Proportional to 187,610.46, 281,480.73 and 82,414.78

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Solution

The fourth proportional to 187,610.46, 281,480.73 and 82,414.78 is: 123,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,610.46 : 281,480.73 = 82,414.78 : x
  2. Step 2: Convert to fraction form
    187,610.46/281,480.73 = 82,414.78/x
  3. Step 3: Cross multiply
    187,610.46x = 281,480.73 × 82,414.78
  4. Step 4: Simplify right side
    187,610.46x = 23,198,172,437.19
  5. Step 5: Solve for x
    x = 23,198,172,437.19/187,610.46
  6. Step 6: Final answer
    x = 123,650.74

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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.