Home / 168,082.52-231,953.94-91,601.64

Finding the Fourth Proportional to 168,082.52, 231,953.94 and 91,601.64

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Solution

The fourth proportional to 168,082.52, 231,953.94 and 91,601.64 is: 126,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,082.52 : 231,953.94 = 91,601.64 : x
  2. Step 2: Convert to fraction form
    168,082.52/231,953.94 = 91,601.64/x
  3. Step 3: Cross multiply
    168,082.52x = 231,953.94 × 91,601.64
  4. Step 4: Simplify right side
    168,082.52x = 21,247,361,308.46
  5. Step 5: Solve for x
    x = 21,247,361,308.46/168,082.52
  6. Step 6: Final answer
    x = 126,410.30

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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.