Home / 226,645.20-339,276.60-132,872.40

Finding the Fourth Proportional to 226,645.20, 339,276.60 and 132,872.40

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Solution

The fourth proportional to 226,645.20, 339,276.60 and 132,872.40 is: 198,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,645.20 : 339,276.60 = 132,872.40 : x
  2. Step 2: Convert to fraction form
    226,645.20/339,276.60 = 132,872.40/x
  3. Step 3: Cross multiply
    226,645.20x = 339,276.60 × 132,872.40
  4. Step 4: Simplify right side
    226,645.20x = 45,080,496,105.84
  5. Step 5: Solve for x
    x = 45,080,496,105.84/226,645.20
  6. Step 6: Final answer
    x = 198,903.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.