Home / 129,305.27-193,965.19-39,350.91

Finding the Fourth Proportional to 129,305.27, 193,965.19 and 39,350.91

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Solution

The fourth proportional to 129,305.27, 193,965.19 and 39,350.91 is: 59,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,305.27 : 193,965.19 = 39,350.91 : x
  2. Step 2: Convert to fraction form
    129,305.27/193,965.19 = 39,350.91/x
  3. Step 3: Cross multiply
    129,305.27x = 193,965.19 × 39,350.91
  4. Step 4: Simplify right side
    129,305.27x = 7,632,706,734.82
  5. Step 5: Solve for x
    x = 7,632,706,734.82/129,305.27
  6. Step 6: Final answer
    x = 59,028.58

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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.