Home / 167,916.38-231,921.43-111,229.34

Finding the Fourth Proportional to 167,916.38, 231,921.43 and 111,229.34

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Solution

The fourth proportional to 167,916.38, 231,921.43 and 111,229.34 is: 153,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,916.38 : 231,921.43 = 111,229.34 : x
  2. Step 2: Convert to fraction form
    167,916.38/231,921.43 = 111,229.34/x
  3. Step 3: Cross multiply
    167,916.38x = 231,921.43 × 111,229.34
  4. Step 4: Simplify right side
    167,916.38x = 25,796,466,153.08
  5. Step 5: Solve for x
    x = 25,796,466,153.08/167,916.38
  6. Step 6: Final answer
    x = 153,626.86

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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.