Home / 198,865.27-274,434.11-109,441.27

Finding the Fourth Proportional to 198,865.27, 274,434.11 and 109,441.27

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Solution

The fourth proportional to 198,865.27, 274,434.11 and 109,441.27 is: 151,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,865.27 : 274,434.11 = 109,441.27 : x
  2. Step 2: Convert to fraction form
    198,865.27/274,434.11 = 109,441.27/x
  3. Step 3: Cross multiply
    198,865.27x = 274,434.11 × 109,441.27
  4. Step 4: Simplify right side
    198,865.27x = 30,034,417,529.72
  5. Step 5: Solve for x
    x = 30,034,417,529.72/198,865.27
  6. Step 6: Final answer
    x = 151,028.97

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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.