Home / 198,723.16-274,239.84-108,079.84

Finding the Fourth Proportional to 198,723.16, 274,239.84 and 108,079.84

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Solution

The fourth proportional to 198,723.16, 274,239.84 and 108,079.84 is: 149,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,723.16 : 274,239.84 = 108,079.84 : x
  2. Step 2: Convert to fraction form
    198,723.16/274,239.84 = 108,079.84/x
  3. Step 3: Cross multiply
    198,723.16x = 274,239.84 × 108,079.84
  4. Step 4: Simplify right side
    198,723.16x = 29,639,798,028.83
  5. Step 5: Solve for x
    x = 29,639,798,028.83/198,723.16
  6. Step 6: Final answer
    x = 149,151.20

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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.