Home / 206,578.38-309,919.40-58,834.38

Finding the Fourth Proportional to 206,578.38, 309,919.40 and 58,834.38

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Solution

The fourth proportional to 206,578.38, 309,919.40 and 58,834.38 is: 88,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,578.38 : 309,919.40 = 58,834.38 : x
  2. Step 2: Convert to fraction form
    206,578.38/309,919.40 = 58,834.38/x
  3. Step 3: Cross multiply
    206,578.38x = 309,919.40 × 58,834.38
  4. Step 4: Simplify right side
    206,578.38x = 18,233,915,748.97
  5. Step 5: Solve for x
    x = 18,233,915,748.97/206,578.38
  6. Step 6: Final answer
    x = 88,266.33

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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.