Home / 115,951.38-159,984.09-73,494.42

Finding the Fourth Proportional to 115,951.38, 159,984.09 and 73,494.42

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Solution

The fourth proportional to 115,951.38, 159,984.09 and 73,494.42 is: 101,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,951.38 : 159,984.09 = 73,494.42 : x
  2. Step 2: Convert to fraction form
    115,951.38/159,984.09 = 73,494.42/x
  3. Step 3: Cross multiply
    115,951.38x = 159,984.09 × 73,494.42
  4. Step 4: Simplify right side
    115,951.38x = 11,757,937,903.78
  5. Step 5: Solve for x
    x = 11,757,937,903.78/115,951.38
  6. Step 6: Final answer
    x = 101,404.04

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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.