Home / 325,067.20-487,647.40-100,447.22

Finding the Fourth Proportional to 325,067.20, 487,647.40 and 100,447.22

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Solution

The fourth proportional to 325,067.20, 487,647.40 and 100,447.22 is: 150,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,067.20 : 487,647.40 = 100,447.22 : x
  2. Step 2: Convert to fraction form
    325,067.20/487,647.40 = 100,447.22/x
  3. Step 3: Cross multiply
    325,067.20x = 487,647.40 × 100,447.22
  4. Step 4: Simplify right side
    325,067.20x = 48,982,825,670.23
  5. Step 5: Solve for x
    x = 48,982,825,670.23/325,067.20
  6. Step 6: Final answer
    x = 150,685.23

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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.