Home / 217,344.14-325,786.10-73,112.64

Finding the Fourth Proportional to 217,344.14, 325,786.10 and 73,112.64

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Solution

The fourth proportional to 217,344.14, 325,786.10 and 73,112.64 is: 109,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,344.14 : 325,786.10 = 73,112.64 : x
  2. Step 2: Convert to fraction form
    217,344.14/325,786.10 = 73,112.64/x
  3. Step 3: Cross multiply
    217,344.14x = 325,786.10 × 73,112.64
  4. Step 4: Simplify right side
    217,344.14x = 23,819,081,480.74
  5. Step 5: Solve for x
    x = 23,819,081,480.74/217,344.14
  6. Step 6: Final answer
    x = 109,591.55

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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.