Home / 203,922.96-281,458.66-113,310.06

Finding the Fourth Proportional to 203,922.96, 281,458.66 and 113,310.06

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Solution

The fourth proportional to 203,922.96, 281,458.66 and 113,310.06 is: 156,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,922.96 : 281,458.66 = 113,310.06 : x
  2. Step 2: Convert to fraction form
    203,922.96/281,458.66 = 113,310.06/x
  3. Step 3: Cross multiply
    203,922.96x = 281,458.66 × 113,310.06
  4. Step 4: Simplify right side
    203,922.96x = 31,892,097,652.12
  5. Step 5: Solve for x
    x = 31,892,097,652.12/203,922.96
  6. Step 6: Final answer
    x = 156,392.87

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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.