Home / 168,108.13-231,987.74-91,627.23

Finding the Fourth Proportional to 168,108.13, 231,987.74 and 91,627.23

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Solution

The fourth proportional to 168,108.13, 231,987.74 and 91,627.23 is: 126,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,108.13 : 231,987.74 = 91,627.23 : x
  2. Step 2: Convert to fraction form
    168,108.13/231,987.74 = 91,627.23/x
  3. Step 3: Cross multiply
    168,108.13x = 231,987.74 × 91,627.23
  4. Step 4: Simplify right side
    168,108.13x = 21,256,394,010.16
  5. Step 5: Solve for x
    x = 21,256,394,010.16/168,108.13
  6. Step 6: Final answer
    x = 126,444.77

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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.