Home / 168,811.68-232,850.25-108,286.41

Finding the Fourth Proportional to 168,811.68, 232,850.25 and 108,286.41

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Solution

The fourth proportional to 168,811.68, 232,850.25 and 108,286.41 is: 149,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,811.68 : 232,850.25 = 108,286.41 : x
  2. Step 2: Convert to fraction form
    168,811.68/232,850.25 = 108,286.41/x
  3. Step 3: Cross multiply
    168,811.68x = 232,850.25 × 108,286.41
  4. Step 4: Simplify right side
    168,811.68x = 25,214,517,640.10
  5. Step 5: Solve for x
    x = 25,214,517,640.10/168,811.68
  6. Step 6: Final answer
    x = 149,364.77

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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.