Home / 132,112.20-198,168.30-122,003.40

Finding the Fourth Proportional to 132,112.20, 198,168.30 and 122,003.40

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Solution

The fourth proportional to 132,112.20, 198,168.30 and 122,003.40 is: 183,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,112.20 : 198,168.30 = 122,003.40 : x
  2. Step 2: Convert to fraction form
    132,112.20/198,168.30 = 122,003.40/x
  3. Step 3: Cross multiply
    132,112.20x = 198,168.30 × 122,003.40
  4. Step 4: Simplify right side
    132,112.20x = 24,177,206,372.22
  5. Step 5: Solve for x
    x = 24,177,206,372.22/132,112.20
  6. Step 6: Final answer
    x = 183,005.10

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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.