Home / 126,745.38-190,067.04-47,816.64

Finding the Fourth Proportional to 126,745.38, 190,067.04 and 47,816.64

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Solution

The fourth proportional to 126,745.38, 190,067.04 and 47,816.64 is: 71,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,745.38 : 190,067.04 = 47,816.64 : x
  2. Step 2: Convert to fraction form
    126,745.38/190,067.04 = 47,816.64/x
  3. Step 3: Cross multiply
    126,745.38x = 190,067.04 × 47,816.64
  4. Step 4: Simplify right side
    126,745.38x = 9,088,367,227.55
  5. Step 5: Solve for x
    x = 9,088,367,227.55/126,745.38
  6. Step 6: Final answer
    x = 71,705.71

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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.