Home / 187,404.60-281,204.10-82,234.20

Finding the Fourth Proportional to 187,404.60, 281,204.10 and 82,234.20

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Solution

The fourth proportional to 187,404.60, 281,204.10 and 82,234.20 is: 123,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,404.60 : 281,204.10 = 82,234.20 : x
  2. Step 2: Convert to fraction form
    187,404.60/281,204.10 = 82,234.20/x
  3. Step 3: Cross multiply
    187,404.60x = 281,204.10 × 82,234.20
  4. Step 4: Simplify right side
    187,404.60x = 23,124,594,200.22
  5. Step 5: Solve for x
    x = 23,124,594,200.22/187,404.60
  6. Step 6: Final answer
    x = 123,393.95

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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.