Home / 206,981.30-285,499.41-169,195.70

Finding the Fourth Proportional to 206,981.30, 285,499.41 and 169,195.70

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Solution

The fourth proportional to 206,981.30, 285,499.41 and 169,195.70 is: 233,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,981.30 : 285,499.41 = 169,195.70 : x
  2. Step 2: Convert to fraction form
    206,981.30/285,499.41 = 169,195.70/x
  3. Step 3: Cross multiply
    206,981.30x = 285,499.41 × 169,195.70
  4. Step 4: Simplify right side
    206,981.30x = 48,305,272,524.54
  5. Step 5: Solve for x
    x = 48,305,272,524.54/206,981.30
  6. Step 6: Final answer
    x = 233,379.89

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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.