Home / 203,915.33-281,408.26-113,266.94

Finding the Fourth Proportional to 203,915.33, 281,408.26 and 113,266.94

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Solution

The fourth proportional to 203,915.33, 281,408.26 and 113,266.94 is: 156,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,915.33 : 281,408.26 = 113,266.94 : x
  2. Step 2: Convert to fraction form
    203,915.33/281,408.26 = 113,266.94/x
  3. Step 3: Cross multiply
    203,915.33x = 281,408.26 × 113,266.94
  4. Step 4: Simplify right side
    203,915.33x = 31,874,252,500.92
  5. Step 5: Solve for x
    x = 31,874,252,500.92/203,915.33
  6. Step 6: Final answer
    x = 156,311.22

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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.