Home / 168,964.11-233,169.86-91,439.60

Finding the Fourth Proportional to 168,964.11, 233,169.86 and 91,439.60

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Solution

The fourth proportional to 168,964.11, 233,169.86 and 91,439.60 is: 126,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,964.11 : 233,169.86 = 91,439.60 : x
  2. Step 2: Convert to fraction form
    168,964.11/233,169.86 = 91,439.60/x
  3. Step 3: Cross multiply
    168,964.11x = 233,169.86 × 91,439.60
  4. Step 4: Simplify right side
    168,964.11x = 21,320,957,107.41
  5. Step 5: Solve for x
    x = 21,320,957,107.41/168,964.11
  6. Step 6: Final answer
    x = 126,186.31

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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.