Home / 129,326.03-193,997.25-40,583.04

Finding the Fourth Proportional to 129,326.03, 193,997.25 and 40,583.04

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Solution

The fourth proportional to 129,326.03, 193,997.25 and 40,583.04 is: 60,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,326.03 : 193,997.25 = 40,583.04 : x
  2. Step 2: Convert to fraction form
    129,326.03/193,997.25 = 40,583.04/x
  3. Step 3: Cross multiply
    129,326.03x = 193,997.25 × 40,583.04
  4. Step 4: Simplify right side
    129,326.03x = 7,872,998,105.91
  5. Step 5: Solve for x
    x = 7,872,998,105.91/129,326.03
  6. Step 6: Final answer
    x = 60,877.13

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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.