Home / 132,104.40-198,182.20-66,440.40

Finding the Fourth Proportional to 132,104.40, 198,182.20 and 66,440.40

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Solution

The fourth proportional to 132,104.40, 198,182.20 and 66,440.40 is: 99,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,104.40 : 198,182.20 = 66,440.40 : x
  2. Step 2: Convert to fraction form
    132,104.40/198,182.20 = 66,440.40/x
  3. Step 3: Cross multiply
    132,104.40x = 198,182.20 × 66,440.40
  4. Step 4: Simplify right side
    132,104.40x = 13,167,304,640.88
  5. Step 5: Solve for x
    x = 13,167,304,640.88/132,104.40
  6. Step 6: Final answer
    x = 99,673.48

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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.