Home / 198,922.20-274,512.36-108,277.89

Finding the Fourth Proportional to 198,922.20, 274,512.36 and 108,277.89

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Solution

The fourth proportional to 198,922.20, 274,512.36 and 108,277.89 is: 149,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,922.20 : 274,512.36 = 108,277.89 : x
  2. Step 2: Convert to fraction form
    198,922.20/274,512.36 = 108,277.89/x
  3. Step 3: Cross multiply
    198,922.20x = 274,512.36 × 108,277.89
  4. Step 4: Simplify right side
    198,922.20x = 29,723,619,119.72
  5. Step 5: Solve for x
    x = 29,723,619,119.72/198,922.20
  6. Step 6: Final answer
    x = 149,423.34

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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.