Home / 281,565.14-422,402.78-123,793.06

Finding the Fourth Proportional to 281,565.14, 422,402.78 and 123,793.06

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Solution

The fourth proportional to 281,565.14, 422,402.78 and 123,793.06 is: 185,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,565.14 : 422,402.78 = 123,793.06 : x
  2. Step 2: Convert to fraction form
    281,565.14/422,402.78 = 123,793.06/x
  3. Step 3: Cross multiply
    281,565.14x = 422,402.78 × 123,793.06
  4. Step 4: Simplify right side
    281,565.14x = 52,290,532,688.71
  5. Step 5: Solve for x
    x = 52,290,532,688.71/281,565.14
  6. Step 6: Final answer
    x = 185,713.80

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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.