Home / 132,422.28-198,633.34-38,928.04

Finding the Fourth Proportional to 132,422.28, 198,633.34 and 38,928.04

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Solution

The fourth proportional to 132,422.28, 198,633.34 and 38,928.04 is: 58,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,422.28 : 198,633.34 = 38,928.04 : x
  2. Step 2: Convert to fraction form
    132,422.28/198,633.34 = 38,928.04/x
  3. Step 3: Cross multiply
    132,422.28x = 198,633.34 × 38,928.04
  4. Step 4: Simplify right side
    132,422.28x = 7,732,406,604.85
  5. Step 5: Solve for x
    x = 7,732,406,604.85/132,422.28
  6. Step 6: Final answer
    x = 58,392.04

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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.