Home / 204,067.12-306,132.24-104,173.12

Finding the Fourth Proportional to 204,067.12, 306,132.24 and 104,173.12

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Solution

The fourth proportional to 204,067.12, 306,132.24 and 104,173.12 is: 156,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,067.12 : 306,132.24 = 104,173.12 : x
  2. Step 2: Convert to fraction form
    204,067.12/306,132.24 = 104,173.12/x
  3. Step 3: Cross multiply
    204,067.12x = 306,132.24 × 104,173.12
  4. Step 4: Simplify right side
    204,067.12x = 31,890,750,573.39
  5. Step 5: Solve for x
    x = 31,890,750,573.39/204,067.12
  6. Step 6: Final answer
    x = 156,275.79

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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.