Home / 203,247.27-280,520.46-117,261.78

Finding the Fourth Proportional to 203,247.27, 280,520.46 and 117,261.78

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Solution

The fourth proportional to 203,247.27, 280,520.46 and 117,261.78 is: 161,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,247.27 : 280,520.46 = 117,261.78 : x
  2. Step 2: Convert to fraction form
    203,247.27/280,520.46 = 117,261.78/x
  3. Step 3: Cross multiply
    203,247.27x = 280,520.46 × 117,261.78
  4. Step 4: Simplify right side
    203,247.27x = 32,894,328,466.02
  5. Step 5: Solve for x
    x = 32,894,328,466.02/203,247.27
  6. Step 6: Final answer
    x = 161,843.89

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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.