Home / 129,013.84-193,542.66-40,265.38

Finding the Fourth Proportional to 129,013.84, 193,542.66 and 40,265.38

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Solution

The fourth proportional to 129,013.84, 193,542.66 and 40,265.38 is: 60,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,013.84 : 193,542.66 = 40,265.38 : x
  2. Step 2: Convert to fraction form
    129,013.84/193,542.66 = 40,265.38/x
  3. Step 3: Cross multiply
    129,013.84x = 193,542.66 × 40,265.38
  4. Step 4: Simplify right side
    129,013.84x = 7,793,068,751.11
  5. Step 5: Solve for x
    x = 7,793,068,751.11/129,013.84
  6. Step 6: Final answer
    x = 60,404.91

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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.