Home / 172,656.28-238,269.78-96,180.54

Finding the Fourth Proportional to 172,656.28, 238,269.78 and 96,180.54

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Solution

The fourth proportional to 172,656.28, 238,269.78 and 96,180.54 is: 132,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,656.28 : 238,269.78 = 96,180.54 : x
  2. Step 2: Convert to fraction form
    172,656.28/238,269.78 = 96,180.54/x
  3. Step 3: Cross multiply
    172,656.28x = 238,269.78 × 96,180.54
  4. Step 4: Simplify right side
    172,656.28x = 22,916,915,612.20
  5. Step 5: Solve for x
    x = 22,916,915,612.20/172,656.28
  6. Step 6: Final answer
    x = 132,731.43

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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.