Home / 203,924.85-281,408.46-113,286.51

Finding the Fourth Proportional to 203,924.85, 281,408.46 and 113,286.51

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Solution

The fourth proportional to 203,924.85, 281,408.46 and 113,286.51 is: 156,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,924.85 : 281,408.46 = 113,286.51 : x
  2. Step 2: Convert to fraction form
    203,924.85/281,408.46 = 113,286.51/x
  3. Step 3: Cross multiply
    203,924.85x = 281,408.46 × 113,286.51
  4. Step 4: Simplify right side
    203,924.85x = 31,879,782,317.87
  5. Step 5: Solve for x
    x = 31,879,782,317.87/203,924.85
  6. Step 6: Final answer
    x = 156,331.04

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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.