Home / 167,717.79-231,454.78-91,241.19

Finding the Fourth Proportional to 167,717.79, 231,454.78 and 91,241.19

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Solution

The fourth proportional to 167,717.79, 231,454.78 and 91,241.19 is: 125,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,717.79 : 231,454.78 = 91,241.19 : x
  2. Step 2: Convert to fraction form
    167,717.79/231,454.78 = 91,241.19/x
  3. Step 3: Cross multiply
    167,717.79x = 231,454.78 × 91,241.19
  4. Step 4: Simplify right side
    167,717.79x = 21,118,209,330.29
  5. Step 5: Solve for x
    x = 21,118,209,330.29/167,717.79
  6. Step 6: Final answer
    x = 125,915.14

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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.