Home / 359,731.92-496,446.13-206,819.72

Finding the Fourth Proportional to 359,731.92, 496,446.13 and 206,819.72

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Solution

The fourth proportional to 359,731.92, 496,446.13 and 206,819.72 is: 285,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,731.92 : 496,446.13 = 206,819.72 : x
  2. Step 2: Convert to fraction form
    359,731.92/496,446.13 = 206,819.72/x
  3. Step 3: Cross multiply
    359,731.92x = 496,446.13 × 206,819.72
  4. Step 4: Simplify right side
    359,731.92x = 102,674,849,601.68
  5. Step 5: Solve for x
    x = 102,674,849,601.68/359,731.92
  6. Step 6: Final answer
    x = 285,420.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.