Home / 203,916.56-281,401.09-113,268.92

Finding the Fourth Proportional to 203,916.56, 281,401.09 and 113,268.92

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Solution

The fourth proportional to 203,916.56, 281,401.09 and 113,268.92 is: 156,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,916.56 : 281,401.09 = 113,268.92 : x
  2. Step 2: Convert to fraction form
    203,916.56/281,401.09 = 113,268.92/x
  3. Step 3: Cross multiply
    203,916.56x = 281,401.09 × 113,268.92
  4. Step 4: Simplify right side
    203,916.56x = 31,873,995,860.95
  5. Step 5: Solve for x
    x = 31,873,995,860.95/203,916.56
  6. Step 6: Final answer
    x = 156,309.02

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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.