Home / 132,414.20-198,621.30-122,694.20

Finding the Fourth Proportional to 132,414.20, 198,621.30 and 122,694.20

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Solution

The fourth proportional to 132,414.20, 198,621.30 and 122,694.20 is: 184,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,414.20 : 198,621.30 = 122,694.20 : x
  2. Step 2: Convert to fraction form
    132,414.20/198,621.30 = 122,694.20/x
  3. Step 3: Cross multiply
    132,414.20x = 198,621.30 × 122,694.20
  4. Step 4: Simplify right side
    132,414.20x = 24,369,681,506.46
  5. Step 5: Solve for x
    x = 24,369,681,506.46/132,414.20
  6. Step 6: Final answer
    x = 184,041.30

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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.