Home / 205,933.50-284,192.97-115,287.18

Finding the Fourth Proportional to 205,933.50, 284,192.97 and 115,287.18

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Solution

The fourth proportional to 205,933.50, 284,192.97 and 115,287.18 is: 159,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,933.50 : 284,192.97 = 115,287.18 : x
  2. Step 2: Convert to fraction form
    205,933.50/284,192.97 = 115,287.18/x
  3. Step 3: Cross multiply
    205,933.50x = 284,192.97 × 115,287.18
  4. Step 4: Simplify right side
    205,933.50x = 32,763,806,087.12
  5. Step 5: Solve for x
    x = 32,763,806,087.12/205,933.50
  6. Step 6: Final answer
    x = 159,098.96

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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.