Home / 204,613.88-306,920.16-92,162.48

Finding the Fourth Proportional to 204,613.88, 306,920.16 and 92,162.48

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Solution

The fourth proportional to 204,613.88, 306,920.16 and 92,162.48 is: 138,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,613.88 : 306,920.16 = 92,162.48 : x
  2. Step 2: Convert to fraction form
    204,613.88/306,920.16 = 92,162.48/x
  3. Step 3: Cross multiply
    204,613.88x = 306,920.16 × 92,162.48
  4. Step 4: Simplify right side
    204,613.88x = 28,286,523,107.60
  5. Step 5: Solve for x
    x = 28,286,523,107.60/204,613.88
  6. Step 6: Final answer
    x = 138,243.42

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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.