Home / 150,542.11-207,757.31-86,884.01

Finding the Fourth Proportional to 150,542.11, 207,757.31 and 86,884.01

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Solution

The fourth proportional to 150,542.11, 207,757.31 and 86,884.01 is: 119,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,542.11 : 207,757.31 = 86,884.01 : x
  2. Step 2: Convert to fraction form
    150,542.11/207,757.31 = 86,884.01/x
  3. Step 3: Cross multiply
    150,542.11x = 207,757.31 × 86,884.01
  4. Step 4: Simplify right side
    150,542.11x = 18,050,786,726.41
  5. Step 5: Solve for x
    x = 18,050,786,726.41/150,542.11
  6. Step 6: Final answer
    x = 119,905.23

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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.