Home / 161,761.50-223,204.61-93,765.20

Finding the Fourth Proportional to 161,761.50, 223,204.61 and 93,765.20

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Solution

The fourth proportional to 161,761.50, 223,204.61 and 93,765.20 is: 129,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,761.50 : 223,204.61 = 93,765.20 : x
  2. Step 2: Convert to fraction form
    161,761.50/223,204.61 = 93,765.20/x
  3. Step 3: Cross multiply
    161,761.50x = 223,204.61 × 93,765.20
  4. Step 4: Simplify right side
    161,761.50x = 20,928,825,690.00
  5. Step 5: Solve for x
    x = 20,928,825,690.00/161,761.50
  6. Step 6: Final answer
    x = 129,380.76

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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.