Home / 167,945.18-231,747.20-103,404.18

Finding the Fourth Proportional to 167,945.18, 231,747.20 and 103,404.18

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Solution

The fourth proportional to 167,945.18, 231,747.20 and 103,404.18 is: 142,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,945.18 : 231,747.20 = 103,404.18 : x
  2. Step 2: Convert to fraction form
    167,945.18/231,747.20 = 103,404.18/x
  3. Step 3: Cross multiply
    167,945.18x = 231,747.20 × 103,404.18
  4. Step 4: Simplify right side
    167,945.18x = 23,963,629,183.30
  5. Step 5: Solve for x
    x = 23,963,629,183.30/167,945.18
  6. Step 6: Final answer
    x = 142,687.21

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1.5x scale

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.