Home / 451,919.24-677,861.82-136,367.72

Finding the Fourth Proportional to 451,919.24, 677,861.82 and 136,367.72

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Solution

The fourth proportional to 451,919.24, 677,861.82 and 136,367.72 is: 204,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,919.24 : 677,861.82 = 136,367.72 : x
  2. Step 2: Convert to fraction form
    451,919.24/677,861.82 = 136,367.72/x
  3. Step 3: Cross multiply
    451,919.24x = 677,861.82 × 136,367.72
  4. Step 4: Simplify right side
    451,919.24x = 92,438,470,868.45
  5. Step 5: Solve for x
    x = 92,438,470,868.45/451,919.24
  6. Step 6: Final answer
    x = 204,546.44

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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.