Home / 193,542.28-290,238.78-75,198.04

Finding the Fourth Proportional to 193,542.28, 290,238.78 and 75,198.04

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Solution

The fourth proportional to 193,542.28, 290,238.78 and 75,198.04 is: 112,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,542.28 : 290,238.78 = 75,198.04 : x
  2. Step 2: Convert to fraction form
    193,542.28/290,238.78 = 75,198.04/x
  3. Step 3: Cross multiply
    193,542.28x = 290,238.78 × 75,198.04
  4. Step 4: Simplify right side
    193,542.28x = 21,825,387,387.99
  5. Step 5: Solve for x
    x = 21,825,387,387.99/193,542.28
  6. Step 6: Final answer
    x = 112,768.06

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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.