Home / 193,198.28-289,422.17-108,700.80

Finding the Fourth Proportional to 193,198.28, 289,422.17 and 108,700.80

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Solution

The fourth proportional to 193,198.28, 289,422.17 and 108,700.80 is: 162,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,198.28 : 289,422.17 = 108,700.80 : x
  2. Step 2: Convert to fraction form
    193,198.28/289,422.17 = 108,700.80/x
  3. Step 3: Cross multiply
    193,198.28x = 289,422.17 × 108,700.80
  4. Step 4: Simplify right side
    193,198.28x = 31,460,420,873.23
  5. Step 5: Solve for x
    x = 31,460,420,873.23/193,198.28
  6. Step 6: Final answer
    x = 162,840.07

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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.