Home / 247,216.68-341,171.52-138,333.24

Finding the Fourth Proportional to 247,216.68, 341,171.52 and 138,333.24

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Solution

The fourth proportional to 247,216.68, 341,171.52 and 138,333.24 is: 190,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,216.68 : 341,171.52 = 138,333.24 : x
  2. Step 2: Convert to fraction form
    247,216.68/341,171.52 = 138,333.24/x
  3. Step 3: Cross multiply
    247,216.68x = 341,171.52 × 138,333.24
  4. Step 4: Simplify right side
    247,216.68x = 47,195,361,757.32
  5. Step 5: Solve for x
    x = 47,195,361,757.32/247,216.68
  6. Step 6: Final answer
    x = 190,906.87

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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.