Home / 206,324.97-309,385.36-73,185.27

Finding the Fourth Proportional to 206,324.97, 309,385.36 and 73,185.27

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Solution

The fourth proportional to 206,324.97, 309,385.36 and 73,185.27 is: 109,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,324.97 : 309,385.36 = 73,185.27 : x
  2. Step 2: Convert to fraction form
    206,324.97/309,385.36 = 73,185.27/x
  3. Step 3: Cross multiply
    206,324.97x = 309,385.36 × 73,185.27
  4. Step 4: Simplify right side
    206,324.97x = 22,642,451,105.65
  5. Step 5: Solve for x
    x = 22,642,451,105.65/206,324.97
  6. Step 6: Final answer
    x = 109,741.69

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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.