Home / 239,870.04-331,033.56-132,439.68

Finding the Fourth Proportional to 239,870.04, 331,033.56 and 132,439.68

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Solution

The fourth proportional to 239,870.04, 331,033.56 and 132,439.68 is: 182,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,870.04 : 331,033.56 = 132,439.68 : x
  2. Step 2: Convert to fraction form
    239,870.04/331,033.56 = 132,439.68/x
  3. Step 3: Cross multiply
    239,870.04x = 331,033.56 × 132,439.68
  4. Step 4: Simplify right side
    239,870.04x = 43,841,978,755.66
  5. Step 5: Solve for x
    x = 43,841,978,755.66/239,870.04
  6. Step 6: Final answer
    x = 182,773.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.