Home / 150,654.31-207,902.36-82,672.43

Finding the Fourth Proportional to 150,654.31, 207,902.36 and 82,672.43

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Solution

The fourth proportional to 150,654.31, 207,902.36 and 82,672.43 is: 114,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,654.31 : 207,902.36 = 82,672.43 : x
  2. Step 2: Convert to fraction form
    150,654.31/207,902.36 = 82,672.43/x
  3. Step 3: Cross multiply
    150,654.31x = 207,902.36 × 82,672.43
  4. Step 4: Simplify right side
    150,654.31x = 17,187,792,471.10
  5. Step 5: Solve for x
    x = 17,187,792,471.10/150,654.31
  6. Step 6: Final answer
    x = 114,087.63

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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.