Home / 206,077.14-309,159.98-63,919.44

Finding the Fourth Proportional to 206,077.14, 309,159.98 and 63,919.44

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Solution

The fourth proportional to 206,077.14, 309,159.98 and 63,919.44 is: 95,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,077.14 : 309,159.98 = 63,919.44 : x
  2. Step 2: Convert to fraction form
    206,077.14/309,159.98 = 63,919.44/x
  3. Step 3: Cross multiply
    206,077.14x = 309,159.98 × 63,919.44
  4. Step 4: Simplify right side
    206,077.14x = 19,761,332,792.01
  5. Step 5: Solve for x
    x = 19,761,332,792.01/206,077.14
  6. Step 6: Final answer
    x = 95,892.89

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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.