Home / 204,185.88-281,776.77-113,540.85

Finding the Fourth Proportional to 204,185.88, 281,776.77 and 113,540.85

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Solution

The fourth proportional to 204,185.88, 281,776.77 and 113,540.85 is: 156,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,185.88 : 281,776.77 = 113,540.85 : x
  2. Step 2: Convert to fraction form
    204,185.88/281,776.77 = 113,540.85/x
  3. Step 3: Cross multiply
    204,185.88x = 281,776.77 × 113,540.85
  4. Step 4: Simplify right side
    204,185.88x = 31,993,173,976.05
  5. Step 5: Solve for x
    x = 31,993,173,976.05/204,185.88
  6. Step 6: Final answer
    x = 156,686.52

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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.