Home / 132,012.74-198,015.84-38,519.30

Finding the Fourth Proportional to 132,012.74, 198,015.84 and 38,519.30

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Solution

The fourth proportional to 132,012.74, 198,015.84 and 38,519.30 is: 57,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,012.74 : 198,015.84 = 38,519.30 : x
  2. Step 2: Convert to fraction form
    132,012.74/198,015.84 = 38,519.30/x
  3. Step 3: Cross multiply
    132,012.74x = 198,015.84 × 38,519.30
  4. Step 4: Simplify right side
    132,012.74x = 7,627,431,545.71
  5. Step 5: Solve for x
    x = 7,627,431,545.71/132,012.74
  6. Step 6: Final answer
    x = 57,778.00

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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.