Home / 168,764.66-232,785.50-108,239.43

Finding the Fourth Proportional to 168,764.66, 232,785.50 and 108,239.43

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Solution

The fourth proportional to 168,764.66, 232,785.50 and 108,239.43 is: 149,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,764.66 : 232,785.50 = 108,239.43 : x
  2. Step 2: Convert to fraction form
    168,764.66/232,785.50 = 108,239.43/x
  3. Step 3: Cross multiply
    168,764.66x = 232,785.50 × 108,239.43
  4. Step 4: Simplify right side
    168,764.66x = 25,196,569,291.07
  5. Step 5: Solve for x
    x = 25,196,569,291.07/168,764.66
  6. Step 6: Final answer
    x = 149,300.04

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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.