Home / 263,040.20-394,560.30-96,806.60

Finding the Fourth Proportional to 263,040.20, 394,560.30 and 96,806.60

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Solution

The fourth proportional to 263,040.20, 394,560.30 and 96,806.60 is: 145,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,040.20 : 394,560.30 = 96,806.60 : x
  2. Step 2: Convert to fraction form
    263,040.20/394,560.30 = 96,806.60/x
  3. Step 3: Cross multiply
    263,040.20x = 394,560.30 × 96,806.60
  4. Step 4: Simplify right side
    263,040.20x = 38,196,041,137.98
  5. Step 5: Solve for x
    x = 38,196,041,137.98/263,040.20
  6. Step 6: Final answer
    x = 145,209.90

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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.