Home / 198,695.75-274,201.43-108,052.70

Finding the Fourth Proportional to 198,695.75, 274,201.43 and 108,052.70

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Solution

The fourth proportional to 198,695.75, 274,201.43 and 108,052.70 is: 149,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,695.75 : 274,201.43 = 108,052.70 : x
  2. Step 2: Convert to fraction form
    198,695.75/274,201.43 = 108,052.70/x
  3. Step 3: Cross multiply
    198,695.75x = 274,201.43 × 108,052.70
  4. Step 4: Simplify right side
    198,695.75x = 29,628,204,855.36
  5. Step 5: Solve for x
    x = 29,628,204,855.36/198,695.75
  6. Step 6: Final answer
    x = 149,113.43

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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.