Home / 167,127.12-230,640.24-91,680.48

Finding the Fourth Proportional to 167,127.12, 230,640.24 and 91,680.48

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Solution

The fourth proportional to 167,127.12, 230,640.24 and 91,680.48 is: 126,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,127.12 : 230,640.24 = 91,680.48 : x
  2. Step 2: Convert to fraction form
    167,127.12/230,640.24 = 91,680.48/x
  3. Step 3: Cross multiply
    167,127.12x = 230,640.24 × 91,680.48
  4. Step 4: Simplify right side
    167,127.12x = 21,145,207,910.52
  5. Step 5: Solve for x
    x = 21,145,207,910.52/167,127.12
  6. Step 6: Final answer
    x = 126,521.70

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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.