Home / 217,997.19-327,078.81-75,858.26

Finding the Fourth Proportional to 217,997.19, 327,078.81 and 75,858.26

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Solution

The fourth proportional to 217,997.19, 327,078.81 and 75,858.26 is: 113,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,997.19 : 327,078.81 = 75,858.26 : x
  2. Step 2: Convert to fraction form
    217,997.19/327,078.81 = 75,858.26/x
  3. Step 3: Cross multiply
    217,997.19x = 327,078.81 × 75,858.26
  4. Step 4: Simplify right side
    217,997.19x = 24,811,627,774.08
  5. Step 5: Solve for x
    x = 24,811,627,774.08/217,997.19
  6. Step 6: Final answer
    x = 113,816.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.