Home / 327,221.03-490,566.29-147,174.62

Finding the Fourth Proportional to 327,221.03, 490,566.29 and 147,174.62

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Solution

The fourth proportional to 327,221.03, 490,566.29 and 147,174.62 is: 220,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,221.03 : 490,566.29 = 147,174.62 : x
  2. Step 2: Convert to fraction form
    327,221.03/490,566.29 = 147,174.62/x
  3. Step 3: Cross multiply
    327,221.03x = 490,566.29 × 147,174.62
  4. Step 4: Simplify right side
    327,221.03x = 72,198,904,126.86
  5. Step 5: Solve for x
    x = 72,198,904,126.86/327,221.03
  6. Step 6: Final answer
    x = 220,642.62

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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.