Home / 198,053.17-273,287.12-112,023.88

Finding the Fourth Proportional to 198,053.17, 273,287.12 and 112,023.88

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Solution

The fourth proportional to 198,053.17, 273,287.12 and 112,023.88 is: 154,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,053.17 : 273,287.12 = 112,023.88 : x
  2. Step 2: Convert to fraction form
    198,053.17/273,287.12 = 112,023.88/x
  3. Step 3: Cross multiply
    198,053.17x = 273,287.12 × 112,023.88
  4. Step 4: Simplify right side
    198,053.17x = 30,614,682,293.09
  5. Step 5: Solve for x
    x = 30,614,682,293.09/198,053.17
  6. Step 6: Final answer
    x = 154,578.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.