Home / 220,839.57-331,189.62-71,046.48

Finding the Fourth Proportional to 220,839.57, 331,189.62 and 71,046.48

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Solution

The fourth proportional to 220,839.57, 331,189.62 and 71,046.48 is: 106,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,839.57 : 331,189.62 = 71,046.48 : x
  2. Step 2: Convert to fraction form
    220,839.57/331,189.62 = 71,046.48/x
  3. Step 3: Cross multiply
    220,839.57x = 331,189.62 × 71,046.48
  4. Step 4: Simplify right side
    220,839.57x = 23,529,856,713.54
  5. Step 5: Solve for x
    x = 23,529,856,713.54/220,839.57
  6. Step 6: Final answer
    x = 106,547.29

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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.