Home / 167,918.03-231,726.51-91,435.94

Finding the Fourth Proportional to 167,918.03, 231,726.51 and 91,435.94

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Solution

The fourth proportional to 167,918.03, 231,726.51 and 91,435.94 is: 126,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,918.03 : 231,726.51 = 91,435.94 : x
  2. Step 2: Convert to fraction form
    167,918.03/231,726.51 = 91,435.94/x
  3. Step 3: Cross multiply
    167,918.03x = 231,726.51 × 91,435.94
  4. Step 4: Simplify right side
    167,918.03x = 21,188,131,264.77
  5. Step 5: Solve for x
    x = 21,188,131,264.77/167,918.03
  6. Step 6: Final answer
    x = 126,181.39

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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.