Home / 168,076.19-231,945.18-91,595.30

Finding the Fourth Proportional to 168,076.19, 231,945.18 and 91,595.30

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Solution

The fourth proportional to 168,076.19, 231,945.18 and 91,595.30 is: 126,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,076.19 : 231,945.18 = 91,595.30 : x
  2. Step 2: Convert to fraction form
    168,076.19/231,945.18 = 91,595.30/x
  3. Step 3: Cross multiply
    168,076.19x = 231,945.18 × 91,595.30
  4. Step 4: Simplify right side
    168,076.19x = 21,245,088,696.53
  5. Step 5: Solve for x
    x = 21,245,088,696.53/168,076.19
  6. Step 6: Final answer
    x = 126,401.54

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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.