Home / 203,774.22-281,194.43-113,123.12

Finding the Fourth Proportional to 203,774.22, 281,194.43 and 113,123.12

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Solution

The fourth proportional to 203,774.22, 281,194.43 and 113,123.12 is: 156,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,774.22 : 281,194.43 = 113,123.12 : x
  2. Step 2: Convert to fraction form
    203,774.22/281,194.43 = 113,123.12/x
  3. Step 3: Cross multiply
    203,774.22x = 281,194.43 × 113,123.12
  4. Step 4: Simplify right side
    203,774.22x = 31,809,591,248.22
  5. Step 5: Solve for x
    x = 31,809,591,248.22/203,774.22
  6. Step 6: Final answer
    x = 156,102.14

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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.