Home / 168,062.33-231,923.03-91,581.98

Finding the Fourth Proportional to 168,062.33, 231,923.03 and 91,581.98

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Solution

The fourth proportional to 168,062.33, 231,923.03 and 91,581.98 is: 126,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,062.33 : 231,923.03 = 91,581.98 : x
  2. Step 2: Convert to fraction form
    168,062.33/231,923.03 = 91,581.98/x
  3. Step 3: Cross multiply
    168,062.33x = 231,923.03 × 91,581.98
  4. Step 4: Simplify right side
    168,062.33x = 21,239,968,677.47
  5. Step 5: Solve for x
    x = 21,239,968,677.47/168,062.33
  6. Step 6: Final answer
    x = 126,381.49

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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.