Home / 132,441.48-198,665.82-38,950.20

Finding the Fourth Proportional to 132,441.48, 198,665.82 and 38,950.20

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Solution

The fourth proportional to 132,441.48, 198,665.82 and 38,950.20 is: 58,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,441.48 : 198,665.82 = 38,950.20 : x
  2. Step 2: Convert to fraction form
    132,441.48/198,665.82 = 38,950.20/x
  3. Step 3: Cross multiply
    132,441.48x = 198,665.82 × 38,950.20
  4. Step 4: Simplify right side
    132,441.48x = 7,738,073,422.16
  5. Step 5: Solve for x
    x = 7,738,073,422.16/132,441.48
  6. Step 6: Final answer
    x = 58,426.36

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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.