Home / 198,938.52-274,534.38-108,299.52

Finding the Fourth Proportional to 198,938.52, 274,534.38 and 108,299.52

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Solution

The fourth proportional to 198,938.52, 274,534.38 and 108,299.52 is: 149,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,938.52 : 274,534.38 = 108,299.52 : x
  2. Step 2: Convert to fraction form
    198,938.52/274,534.38 = 108,299.52/x
  3. Step 3: Cross multiply
    198,938.52x = 274,534.38 × 108,299.52
  4. Step 4: Simplify right side
    198,938.52x = 29,731,941,577.50
  5. Step 5: Solve for x
    x = 29,731,941,577.50/198,938.52
  6. Step 6: Final answer
    x = 149,452.91

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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.