Home / 150,549.12-207,761.60-82,568.80

Finding the Fourth Proportional to 150,549.12, 207,761.60 and 82,568.80

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Solution

The fourth proportional to 150,549.12, 207,761.60 and 82,568.80 is: 113,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,549.12 : 207,761.60 = 82,568.80 : x
  2. Step 2: Convert to fraction form
    150,549.12/207,761.60 = 82,568.80/x
  3. Step 3: Cross multiply
    150,549.12x = 207,761.60 × 82,568.80
  4. Step 4: Simplify right side
    150,549.12x = 17,154,625,998.08
  5. Step 5: Solve for x
    x = 17,154,625,998.08/150,549.12
  6. Step 6: Final answer
    x = 113,947.04

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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.