Home / 168,765.60-232,786.79-108,240.38

Finding the Fourth Proportional to 168,765.60, 232,786.79 and 108,240.38

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Solution

The fourth proportional to 168,765.60, 232,786.79 and 108,240.38 is: 149,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,765.60 : 232,786.79 = 108,240.38 : x
  2. Step 2: Convert to fraction form
    168,765.60/232,786.79 = 108,240.38/x
  3. Step 3: Cross multiply
    168,765.60x = 232,786.79 × 108,240.38
  4. Step 4: Simplify right side
    168,765.60x = 25,196,928,903.44
  5. Step 5: Solve for x
    x = 25,196,928,903.44/168,765.60
  6. Step 6: Final answer
    x = 149,301.33

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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.