Home / 187,557.40-281,336.10-98,983.90

Finding the Fourth Proportional to 187,557.40, 281,336.10 and 98,983.90

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Solution

The fourth proportional to 187,557.40, 281,336.10 and 98,983.90 is: 148,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,557.40 : 281,336.10 = 98,983.90 : x
  2. Step 2: Convert to fraction form
    187,557.40/281,336.10 = 98,983.90/x
  3. Step 3: Cross multiply
    187,557.40x = 281,336.10 × 98,983.90
  4. Step 4: Simplify right side
    187,557.40x = 27,847,744,388.79
  5. Step 5: Solve for x
    x = 27,847,744,388.79/187,557.40
  6. Step 6: Final answer
    x = 148,475.85

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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.