Home / 121,394.85-182,082.55-41,425.98

Finding the Fourth Proportional to 121,394.85, 182,082.55 and 41,425.98

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Solution

The fourth proportional to 121,394.85, 182,082.55 and 41,425.98 is: 62,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,394.85 : 182,082.55 = 41,425.98 : x
  2. Step 2: Convert to fraction form
    121,394.85/182,082.55 = 41,425.98/x
  3. Step 3: Cross multiply
    121,394.85x = 182,082.55 × 41,425.98
  4. Step 4: Simplify right side
    121,394.85x = 7,542,948,074.65
  5. Step 5: Solve for x
    x = 7,542,948,074.65/121,394.85
  6. Step 6: Final answer
    x = 62,135.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.