Home / 187,856.13-281,827.40-61,500.45

Finding the Fourth Proportional to 187,856.13, 281,827.40 and 61,500.45

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Solution

The fourth proportional to 187,856.13, 281,827.40 and 61,500.45 is: 92,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,856.13 : 281,827.40 = 61,500.45 : x
  2. Step 2: Convert to fraction form
    187,856.13/281,827.40 = 61,500.45/x
  3. Step 3: Cross multiply
    187,856.13x = 281,827.40 × 61,500.45
  4. Step 4: Simplify right side
    187,856.13x = 17,332,511,614.83
  5. Step 5: Solve for x
    x = 17,332,511,614.83/187,856.13
  6. Step 6: Final answer
    x = 92,264.82

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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.