Home / 198,776.25-274,311.23-109,352.25

Finding the Fourth Proportional to 198,776.25, 274,311.23 and 109,352.25

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Solution

The fourth proportional to 198,776.25, 274,311.23 and 109,352.25 is: 150,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,776.25 : 274,311.23 = 109,352.25 : x
  2. Step 2: Convert to fraction form
    198,776.25/274,311.23 = 109,352.25/x
  3. Step 3: Cross multiply
    198,776.25x = 274,311.23 × 109,352.25
  4. Step 4: Simplify right side
    198,776.25x = 29,996,549,654.01
  5. Step 5: Solve for x
    x = 29,996,549,654.01/198,776.25
  6. Step 6: Final answer
    x = 150,906.11

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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.