Home / 187,592.30-281,416.11-54,455.20

Finding the Fourth Proportional to 187,592.30, 281,416.11 and 54,455.20

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Solution

The fourth proportional to 187,592.30, 281,416.11 and 54,455.20 is: 81,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,592.30 : 281,416.11 = 54,455.20 : x
  2. Step 2: Convert to fraction form
    187,592.30/281,416.11 = 54,455.20/x
  3. Step 3: Cross multiply
    187,592.30x = 281,416.11 × 54,455.20
  4. Step 4: Simplify right side
    187,592.30x = 15,324,569,645.52
  5. Step 5: Solve for x
    x = 15,324,569,645.52/187,592.30
  6. Step 6: Final answer
    x = 81,690.82

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1.5x scale

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.