Home / 168,100.16-231,979.30-92,648.66

Finding the Fourth Proportional to 168,100.16, 231,979.30 and 92,648.66

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Solution

The fourth proportional to 168,100.16, 231,979.30 and 92,648.66 is: 127,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,100.16 : 231,979.30 = 92,648.66 : x
  2. Step 2: Convert to fraction form
    168,100.16/231,979.30 = 92,648.66/x
  3. Step 3: Cross multiply
    168,100.16x = 231,979.30 × 92,648.66
  4. Step 4: Simplify right side
    168,100.16x = 21,492,571,292.74
  5. Step 5: Solve for x
    x = 21,492,571,292.74/168,100.16
  6. Step 6: Final answer
    x = 127,855.75

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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.