Home / 226,207.20-339,087.60-126,415.20

Finding the Fourth Proportional to 226,207.20, 339,087.60 and 126,415.20

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Solution

The fourth proportional to 226,207.20, 339,087.60 and 126,415.20 is: 189,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,207.20 : 339,087.60 = 126,415.20 : x
  2. Step 2: Convert to fraction form
    226,207.20/339,087.60 = 126,415.20/x
  3. Step 3: Cross multiply
    226,207.20x = 339,087.60 × 126,415.20
  4. Step 4: Simplify right side
    226,207.20x = 42,865,826,771.52
  5. Step 5: Solve for x
    x = 42,865,826,771.52/226,207.20
  6. Step 6: Final answer
    x = 189,498.07

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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.