Home / 187,637.12-281,456.25-45,481.83

Finding the Fourth Proportional to 187,637.12, 281,456.25 and 45,481.83

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Solution

The fourth proportional to 187,637.12, 281,456.25 and 45,481.83 is: 68,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,637.12 : 281,456.25 = 45,481.83 : x
  2. Step 2: Convert to fraction form
    187,637.12/281,456.25 = 45,481.83/x
  3. Step 3: Cross multiply
    187,637.12x = 281,456.25 × 45,481.83
  4. Step 4: Simplify right side
    187,637.12x = 12,801,145,087.53
  5. Step 5: Solve for x
    x = 12,801,145,087.53/187,637.12
  6. Step 6: Final answer
    x = 68,222.88

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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.