Home / 300,922.20-451,504.80-132,474.60

Finding the Fourth Proportional to 300,922.20, 451,504.80 and 132,474.60

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Solution

The fourth proportional to 300,922.20, 451,504.80 and 132,474.60 is: 198,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,922.20 : 451,504.80 = 132,474.60 : x
  2. Step 2: Convert to fraction form
    300,922.20/451,504.80 = 132,474.60/x
  3. Step 3: Cross multiply
    300,922.20x = 451,504.80 × 132,474.60
  4. Step 4: Simplify right side
    300,922.20x = 59,812,917,778.08
  5. Step 5: Solve for x
    x = 59,812,917,778.08/300,922.20
  6. Step 6: Final answer
    x = 198,765.39

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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.