Home / 168,052.73-231,909.75-91,572.48

Finding the Fourth Proportional to 168,052.73, 231,909.75 and 91,572.48

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Solution

The fourth proportional to 168,052.73, 231,909.75 and 91,572.48 is: 126,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,052.73 : 231,909.75 = 91,572.48 : x
  2. Step 2: Convert to fraction form
    168,052.73/231,909.75 = 91,572.48/x
  3. Step 3: Cross multiply
    168,052.73x = 231,909.75 × 91,572.48
  4. Step 4: Simplify right side
    168,052.73x = 21,236,550,943.68
  5. Step 5: Solve for x
    x = 21,236,550,943.68/168,052.73
  6. Step 6: Final answer
    x = 126,368.38

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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.