Home / 168,659.27-232,727.30-108,311.66

Finding the Fourth Proportional to 168,659.27, 232,727.30 and 108,311.66

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Solution

The fourth proportional to 168,659.27, 232,727.30 and 108,311.66 is: 149,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,659.27 : 232,727.30 = 108,311.66 : x
  2. Step 2: Convert to fraction form
    168,659.27/232,727.30 = 108,311.66/x
  3. Step 3: Cross multiply
    168,659.27x = 232,727.30 × 108,311.66
  4. Step 4: Simplify right side
    168,659.27x = 25,207,078,485.12
  5. Step 5: Solve for x
    x = 25,207,078,485.12/168,659.27
  6. Step 6: Final answer
    x = 149,455.64

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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.