Home / 167,452.74-231,083.82-90,971.21

Finding the Fourth Proportional to 167,452.74, 231,083.82 and 90,971.21

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Solution

The fourth proportional to 167,452.74, 231,083.82 and 90,971.21 is: 125,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,452.74 : 231,083.82 = 90,971.21 : x
  2. Step 2: Convert to fraction form
    167,452.74/231,083.82 = 90,971.21/x
  3. Step 3: Cross multiply
    167,452.74x = 231,083.82 × 90,971.21
  4. Step 4: Simplify right side
    167,452.74x = 21,021,975,294.53
  5. Step 5: Solve for x
    x = 21,021,975,294.53/167,452.74
  6. Step 6: Final answer
    x = 125,539.75

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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.