Home / 206,165.13-309,281.31-73,016.52

Finding the Fourth Proportional to 206,165.13, 309,281.31 and 73,016.52

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Solution

The fourth proportional to 206,165.13, 309,281.31 and 73,016.52 is: 109,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,165.13 : 309,281.31 = 73,016.52 : x
  2. Step 2: Convert to fraction form
    206,165.13/309,281.31 = 73,016.52/x
  3. Step 3: Cross multiply
    206,165.13x = 309,281.31 × 73,016.52
  4. Step 4: Simplify right side
    206,165.13x = 22,582,644,957.24
  5. Step 5: Solve for x
    x = 22,582,644,957.24/206,165.13
  6. Step 6: Final answer
    x = 109,536.69

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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.