Home / 198,839.58-274,394.55-108,197.34

Finding the Fourth Proportional to 198,839.58, 274,394.55 and 108,197.34

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Solution

The fourth proportional to 198,839.58, 274,394.55 and 108,197.34 is: 149,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,839.58 : 274,394.55 = 108,197.34 : x
  2. Step 2: Convert to fraction form
    198,839.58/274,394.55 = 108,197.34/x
  3. Step 3: Cross multiply
    198,839.58x = 274,394.55 × 108,197.34
  4. Step 4: Simplify right side
    198,839.58x = 29,688,760,420.50
  5. Step 5: Solve for x
    x = 29,688,760,420.50/198,839.58
  6. Step 6: Final answer
    x = 149,310.11

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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.