Home / 327,124.97-490,686.85-102,502.61

Finding the Fourth Proportional to 327,124.97, 490,686.85 and 102,502.61

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Solution

The fourth proportional to 327,124.97, 490,686.85 and 102,502.61 is: 153,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,124.97 : 490,686.85 = 102,502.61 : x
  2. Step 2: Convert to fraction form
    327,124.97/490,686.85 = 102,502.61/x
  3. Step 3: Cross multiply
    327,124.97x = 490,686.85 × 102,502.61
  4. Step 4: Simplify right side
    327,124.97x = 50,296,684,914.01
  5. Step 5: Solve for x
    x = 50,296,684,914.01/327,124.97
  6. Step 6: Final answer
    x = 153,753.73

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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.