Home / 217,845.51-326,759.37-75,723.02

Finding the Fourth Proportional to 217,845.51, 326,759.37 and 75,723.02

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Solution

The fourth proportional to 217,845.51, 326,759.37 and 75,723.02 is: 113,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,845.51 : 326,759.37 = 75,723.02 : x
  2. Step 2: Convert to fraction form
    217,845.51/326,759.37 = 75,723.02/x
  3. Step 3: Cross multiply
    217,845.51x = 326,759.37 × 75,723.02
  4. Step 4: Simplify right side
    217,845.51x = 24,743,206,309.70
  5. Step 5: Solve for x
    x = 24,743,206,309.70/217,845.51
  6. Step 6: Final answer
    x = 113,581.44

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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.