Home / 203,843.13-281,436.75-132,426.69

Finding the Fourth Proportional to 203,843.13, 281,436.75 and 132,426.69

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Solution

The fourth proportional to 203,843.13, 281,436.75 and 132,426.69 is: 182,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,843.13 : 281,436.75 = 132,426.69 : x
  2. Step 2: Convert to fraction form
    203,843.13/281,436.75 = 132,426.69/x
  3. Step 3: Cross multiply
    203,843.13x = 281,436.75 × 132,426.69
  4. Step 4: Simplify right side
    203,843.13x = 37,269,737,246.86
  5. Step 5: Solve for x
    x = 37,269,737,246.86/203,843.13
  6. Step 6: Final answer
    x = 182,835.39

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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.