Home / 203,940.89-281,438.17-113,305.22

Finding the Fourth Proportional to 203,940.89, 281,438.17 and 113,305.22

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Solution

The fourth proportional to 203,940.89, 281,438.17 and 113,305.22 is: 156,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940.89 : 281,438.17 = 113,305.22 : x
  2. Step 2: Convert to fraction form
    203,940.89/281,438.17 = 113,305.22/x
  3. Step 3: Cross multiply
    203,940.89x = 281,438.17 × 113,305.22
  4. Step 4: Simplify right side
    203,940.89x = 31,888,412,077.79
  5. Step 5: Solve for x
    x = 31,888,412,077.79/203,940.89
  6. Step 6: Final answer
    x = 156,361.06

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1.5x scale

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.