Home / 129,103.68-193,686.66-44,851.62

Finding the Fourth Proportional to 129,103.68, 193,686.66 and 44,851.62

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Solution

The fourth proportional to 129,103.68, 193,686.66 and 44,851.62 is: 67,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,103.68 : 193,686.66 = 44,851.62 : x
  2. Step 2: Convert to fraction form
    129,103.68/193,686.66 = 44,851.62/x
  3. Step 3: Cross multiply
    129,103.68x = 193,686.66 × 44,851.62
  4. Step 4: Simplify right side
    129,103.68x = 8,687,160,473.39
  5. Step 5: Solve for x
    x = 8,687,160,473.39/129,103.68
  6. Step 6: Final answer
    x = 67,288.25

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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.