Home / 168,119.28-231,995.16-104,456.52

Finding the Fourth Proportional to 168,119.28, 231,995.16 and 104,456.52

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Solution

The fourth proportional to 168,119.28, 231,995.16 and 104,456.52 is: 144,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,119.28 : 231,995.16 = 104,456.52 : x
  2. Step 2: Convert to fraction form
    168,119.28/231,995.16 = 104,456.52/x
  3. Step 3: Cross multiply
    168,119.28x = 231,995.16 × 104,456.52
  4. Step 4: Simplify right side
    168,119.28x = 24,233,407,070.44
  5. Step 5: Solve for x
    x = 24,233,407,070.44/168,119.28
  6. Step 6: Final answer
    x = 144,144.13

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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.