Home / 327,124.34-490,686.33-102,502.43

Finding the Fourth Proportional to 327,124.34, 490,686.33 and 102,502.43

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Solution

The fourth proportional to 327,124.34, 490,686.33 and 102,502.43 is: 153,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,124.34 : 490,686.33 = 102,502.43 : x
  2. Step 2: Convert to fraction form
    327,124.34/490,686.33 = 102,502.43/x
  3. Step 3: Cross multiply
    327,124.34x = 490,686.33 × 102,502.43
  4. Step 4: Simplify right side
    327,124.34x = 50,296,541,192.78
  5. Step 5: Solve for x
    x = 50,296,541,192.78/327,124.34
  6. Step 6: Final answer
    x = 153,753.59

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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.