Home / 197,968.57-273,132.42-111,919.24

Finding the Fourth Proportional to 197,968.57, 273,132.42 and 111,919.24

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Solution

The fourth proportional to 197,968.57, 273,132.42 and 111,919.24 is: 154,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,968.57 : 273,132.42 = 111,919.24 : x
  2. Step 2: Convert to fraction form
    197,968.57/273,132.42 = 111,919.24/x
  3. Step 3: Cross multiply
    197,968.57x = 273,132.42 × 111,919.24
  4. Step 4: Simplify right side
    197,968.57x = 30,568,772,865.76
  5. Step 5: Solve for x
    x = 30,568,772,865.76/197,968.57
  6. Step 6: Final answer
    x = 154,412.25

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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.