Home / 451,844.20-677,766.30-136,260.10

Finding the Fourth Proportional to 451,844.20, 677,766.30 and 136,260.10

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Solution

The fourth proportional to 451,844.20, 677,766.30 and 136,260.10 is: 204,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,844.20 : 677,766.30 = 136,260.10 : x
  2. Step 2: Convert to fraction form
    451,844.20/677,766.30 = 136,260.10/x
  3. Step 3: Cross multiply
    451,844.20x = 677,766.30 × 136,260.10
  4. Step 4: Simplify right side
    451,844.20x = 92,352,503,814.63
  5. Step 5: Solve for x
    x = 92,352,503,814.63/451,844.20
  6. Step 6: Final answer
    x = 204,390.15

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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.