Home / 132,863.82-198,449.04-120,194.16

Finding the Fourth Proportional to 132,863.82, 198,449.04 and 120,194.16

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Solution

The fourth proportional to 132,863.82, 198,449.04 and 120,194.16 is: 179,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,863.82 : 198,449.04 = 120,194.16 : x
  2. Step 2: Convert to fraction form
    132,863.82/198,449.04 = 120,194.16/x
  3. Step 3: Cross multiply
    132,863.82x = 198,449.04 × 120,194.16
  4. Step 4: Simplify right side
    132,863.82x = 23,852,415,665.61
  5. Step 5: Solve for x
    x = 23,852,415,665.61/132,863.82
  6. Step 6: Final answer
    x = 179,525.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.