Home / 203,819.40-281,261.39-113,181.14

Finding the Fourth Proportional to 203,819.40, 281,261.39 and 113,181.14

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Solution

The fourth proportional to 203,819.40, 281,261.39 and 113,181.14 is: 156,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,819.40 : 281,261.39 = 113,181.14 : x
  2. Step 2: Convert to fraction form
    203,819.40/281,261.39 = 113,181.14/x
  3. Step 3: Cross multiply
    203,819.40x = 281,261.39 × 113,181.14
  4. Step 4: Simplify right side
    203,819.40x = 31,833,483,634.83
  5. Step 5: Solve for x
    x = 31,833,483,634.83/203,819.40
  6. Step 6: Final answer
    x = 156,184.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.