Home / 221,614.67-332,192.10-103,188.62

Finding the Fourth Proportional to 221,614.67, 332,192.10 and 103,188.62

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Solution

The fourth proportional to 221,614.67, 332,192.10 and 103,188.62 is: 154,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,614.67 : 332,192.10 = 103,188.62 : x
  2. Step 2: Convert to fraction form
    221,614.67/332,192.10 = 103,188.62/x
  3. Step 3: Cross multiply
    221,614.67x = 332,192.10 × 103,188.62
  4. Step 4: Simplify right side
    221,614.67x = 34,278,444,373.90
  5. Step 5: Solve for x
    x = 34,278,444,373.90/221,614.67
  6. Step 6: Final answer
    x = 154,675.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.