Home / 161,761.04-223,231.11-93,818.30

Finding the Fourth Proportional to 161,761.04, 223,231.11 and 93,818.30

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Solution

The fourth proportional to 161,761.04, 223,231.11 and 93,818.30 is: 129,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,761.04 : 223,231.11 = 93,818.30 : x
  2. Step 2: Convert to fraction form
    161,761.04/223,231.11 = 93,818.30/x
  3. Step 3: Cross multiply
    161,761.04x = 223,231.11 × 93,818.30
  4. Step 4: Simplify right side
    161,761.04x = 20,943,162,131.16
  5. Step 5: Solve for x
    x = 20,943,162,131.16/161,761.04
  6. Step 6: Final answer
    x = 129,469.76

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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.