Home / 262,956.20-394,434.30-96,722.60

Finding the Fourth Proportional to 262,956.20, 394,434.30 and 96,722.60

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Solution

The fourth proportional to 262,956.20, 394,434.30 and 96,722.60 is: 145,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,956.20 : 394,434.30 = 96,722.60 : x
  2. Step 2: Convert to fraction form
    262,956.20/394,434.30 = 96,722.60/x
  3. Step 3: Cross multiply
    262,956.20x = 394,434.30 × 96,722.60
  4. Step 4: Simplify right side
    262,956.20x = 38,150,711,025.18
  5. Step 5: Solve for x
    x = 38,150,711,025.18/262,956.20
  6. Step 6: Final answer
    x = 145,083.90

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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.