Home / 352,766.20-486,623.46-223,467.88

Finding the Fourth Proportional to 352,766.20, 486,623.46 and 223,467.88

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Solution

The fourth proportional to 352,766.20, 486,623.46 and 223,467.88 is: 308,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,766.20 : 486,623.46 = 223,467.88 : x
  2. Step 2: Convert to fraction form
    352,766.20/486,623.46 = 223,467.88/x
  3. Step 3: Cross multiply
    352,766.20x = 486,623.46 × 223,467.88
  4. Step 4: Simplify right side
    352,766.20x = 108,744,712,964.47
  5. Step 5: Solve for x
    x = 108,744,712,964.47/352,766.20
  6. Step 6: Final answer
    x = 308,262.85

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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.