Home / 198,796.46-274,452.23-131,010.39

Finding the Fourth Proportional to 198,796.46, 274,452.23 and 131,010.39

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Solution

The fourth proportional to 198,796.46, 274,452.23 and 131,010.39 is: 180,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,796.46 : 274,452.23 = 131,010.39 : x
  2. Step 2: Convert to fraction form
    198,796.46/274,452.23 = 131,010.39/x
  3. Step 3: Cross multiply
    198,796.46x = 274,452.23 × 131,010.39
  4. Step 4: Simplify right side
    198,796.46x = 35,956,094,016.20
  5. Step 5: Solve for x
    x = 35,956,094,016.20/198,796.46
  6. Step 6: Final answer
    x = 180,868.89

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1.5x scale

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.