Home / 451,628.53-677,376.85-131,694.43

Finding the Fourth Proportional to 451,628.53, 677,376.85 and 131,694.43

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Solution

The fourth proportional to 451,628.53, 677,376.85 and 131,694.43 is: 197,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,628.53 : 677,376.85 = 131,694.43 : x
  2. Step 2: Convert to fraction form
    451,628.53/677,376.85 = 131,694.43/x
  3. Step 3: Cross multiply
    451,628.53x = 677,376.85 × 131,694.43
  4. Step 4: Simplify right side
    451,628.53x = 89,206,758,155.95
  5. Step 5: Solve for x
    x = 89,206,758,155.95/451,628.53
  6. Step 6: Final answer
    x = 197,522.42

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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.