Home / 202,217.20-303,575.40-127,337.20

Finding the Fourth Proportional to 202,217.20, 303,575.40 and 127,337.20

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Solution

The fourth proportional to 202,217.20, 303,575.40 and 127,337.20 is: 191,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,217.20 : 303,575.40 = 127,337.20 : x
  2. Step 2: Convert to fraction form
    202,217.20/303,575.40 = 127,337.20/x
  3. Step 3: Cross multiply
    202,217.20x = 303,575.40 × 127,337.20
  4. Step 4: Simplify right side
    202,217.20x = 38,656,441,424.88
  5. Step 5: Solve for x
    x = 38,656,441,424.88/202,217.20
  6. Step 6: Final answer
    x = 191,162.97

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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.