Home / 132,350.40-198,574.20-53,472.60

Finding the Fourth Proportional to 132,350.40, 198,574.20 and 53,472.60

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Solution

The fourth proportional to 132,350.40, 198,574.20 and 53,472.60 is: 80,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,350.40 : 198,574.20 = 53,472.60 : x
  2. Step 2: Convert to fraction form
    132,350.40/198,574.20 = 53,472.60/x
  3. Step 3: Cross multiply
    132,350.40x = 198,574.20 × 53,472.60
  4. Step 4: Simplify right side
    132,350.40x = 10,618,278,766.92
  5. Step 5: Solve for x
    x = 10,618,278,766.92/132,350.40
  6. Step 6: Final answer
    x = 80,228.54

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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.