Home / 132,535.20-198,734.70-39,028.80

Finding the Fourth Proportional to 132,535.20, 198,734.70 and 39,028.80

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Solution

The fourth proportional to 132,535.20, 198,734.70 and 39,028.80 is: 58,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,535.20 : 198,734.70 = 39,028.80 : x
  2. Step 2: Convert to fraction form
    132,535.20/198,734.70 = 39,028.80/x
  3. Step 3: Cross multiply
    132,535.20x = 198,734.70 × 39,028.80
  4. Step 4: Simplify right side
    132,535.20x = 7,756,376,859.36
  5. Step 5: Solve for x
    x = 7,756,376,859.36/132,535.20
  6. Step 6: Final answer
    x = 58,523.15

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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.