Home / 239,067.68-329,906.94-137,110.28

Finding the Fourth Proportional to 239,067.68, 329,906.94 and 137,110.28

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Solution

The fourth proportional to 239,067.68, 329,906.94 and 137,110.28 is: 189,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,067.68 : 329,906.94 = 137,110.28 : x
  2. Step 2: Convert to fraction form
    239,067.68/329,906.94 = 137,110.28/x
  3. Step 3: Cross multiply
    239,067.68x = 329,906.94 × 137,110.28
  4. Step 4: Simplify right side
    239,067.68x = 45,233,632,917.34
  5. Step 5: Solve for x
    x = 45,233,632,917.34/239,067.68
  6. Step 6: Final answer
    x = 189,208.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.