Home / 132,318.80-198,478.20-49,195.60

Finding the Fourth Proportional to 132,318.80, 198,478.20 and 49,195.60

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Solution

The fourth proportional to 132,318.80, 198,478.20 and 49,195.60 is: 73,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,318.80 : 198,478.20 = 49,195.60 : x
  2. Step 2: Convert to fraction form
    132,318.80/198,478.20 = 49,195.60/x
  3. Step 3: Cross multiply
    132,318.80x = 198,478.20 × 49,195.60
  4. Step 4: Simplify right side
    132,318.80x = 9,764,254,135.92
  5. Step 5: Solve for x
    x = 9,764,254,135.92/132,318.80
  6. Step 6: Final answer
    x = 73,793.40

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1.5x scale

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.