Home / 132,370.20-198,555.30-109,042.20

Finding the Fourth Proportional to 132,370.20, 198,555.30 and 109,042.20

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Solution

The fourth proportional to 132,370.20, 198,555.30 and 109,042.20 is: 163,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,370.20 : 198,555.30 = 109,042.20 : x
  2. Step 2: Convert to fraction form
    132,370.20/198,555.30 = 109,042.20/x
  3. Step 3: Cross multiply
    132,370.20x = 198,555.30 × 109,042.20
  4. Step 4: Simplify right side
    132,370.20x = 21,650,906,733.66
  5. Step 5: Solve for x
    x = 21,650,906,733.66/132,370.20
  6. Step 6: Final answer
    x = 163,563.30

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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.