Home / 454,105.13-681,157.64-187,572.66

Finding the Fourth Proportional to 454,105.13, 681,157.64 and 187,572.66

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Solution

The fourth proportional to 454,105.13, 681,157.64 and 187,572.66 is: 281,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,105.13 : 681,157.64 = 187,572.66 : x
  2. Step 2: Convert to fraction form
    454,105.13/681,157.64 = 187,572.66/x
  3. Step 3: Cross multiply
    454,105.13x = 681,157.64 × 187,572.66
  4. Step 4: Simplify right side
    454,105.13x = 127,766,549,476.26
  5. Step 5: Solve for x
    x = 127,766,549,476.26/454,105.13
  6. Step 6: Final answer
    x = 281,358.97

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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.