Home / 187,468.20-281,194.10-54,345.56

Finding the Fourth Proportional to 187,468.20, 281,194.10 and 54,345.56

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Solution

The fourth proportional to 187,468.20, 281,194.10 and 54,345.56 is: 81,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,468.20 : 281,194.10 = 54,345.56 : x
  2. Step 2: Convert to fraction form
    187,468.20/281,194.10 = 54,345.56/x
  3. Step 3: Cross multiply
    187,468.20x = 281,194.10 × 54,345.56
  4. Step 4: Simplify right side
    187,468.20x = 15,281,650,833.20
  5. Step 5: Solve for x
    x = 15,281,650,833.20/187,468.20
  6. Step 6: Final answer
    x = 81,515.96

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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.