Home / 172,112.26-237,512.80-96,660.76

Finding the Fourth Proportional to 172,112.26, 237,512.80 and 96,660.76

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Solution

The fourth proportional to 172,112.26, 237,512.80 and 96,660.76 is: 133,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,112.26 : 237,512.80 = 96,660.76 : x
  2. Step 2: Convert to fraction form
    172,112.26/237,512.80 = 96,660.76/x
  3. Step 3: Cross multiply
    172,112.26x = 237,512.80 × 96,660.76
  4. Step 4: Simplify right side
    172,112.26x = 22,958,167,757.73
  5. Step 5: Solve for x
    x = 22,958,167,757.73/172,112.26
  6. Step 6: Final answer
    x = 133,390.66

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1.5x scale

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.