Home / 168,049.79-231,905.76-91,569.53

Finding the Fourth Proportional to 168,049.79, 231,905.76 and 91,569.53

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Solution

The fourth proportional to 168,049.79, 231,905.76 and 91,569.53 is: 126,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,049.79 : 231,905.76 = 91,569.53 : x
  2. Step 2: Convert to fraction form
    168,049.79/231,905.76 = 91,569.53/x
  3. Step 3: Cross multiply
    168,049.79x = 231,905.76 × 91,569.53
  4. Step 4: Simplify right side
    168,049.79x = 21,235,500,287.96
  5. Step 5: Solve for x
    x = 21,235,500,287.96/168,049.79
  6. Step 6: Final answer
    x = 126,364.34

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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.