Home / 327,190.08-490,791.28-102,545.54

Finding the Fourth Proportional to 327,190.08, 490,791.28 and 102,545.54

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Solution

The fourth proportional to 327,190.08, 490,791.28 and 102,545.54 is: 153,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,190.08 : 490,791.28 = 102,545.54 : x
  2. Step 2: Convert to fraction form
    327,190.08/490,791.28 = 102,545.54/x
  3. Step 3: Cross multiply
    327,190.08x = 490,791.28 × 102,545.54
  4. Step 4: Simplify right side
    327,190.08x = 50,328,456,834.89
  5. Step 5: Solve for x
    x = 50,328,456,834.89/327,190.08
  6. Step 6: Final answer
    x = 153,820.24

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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.