Home / 197,991.21-273,233.25-111,963.06

Finding the Fourth Proportional to 197,991.21, 273,233.25 and 111,963.06

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Solution

The fourth proportional to 197,991.21, 273,233.25 and 111,963.06 is: 154,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,991.21 : 273,233.25 = 111,963.06 : x
  2. Step 2: Convert to fraction form
    197,991.21/273,233.25 = 111,963.06/x
  3. Step 3: Cross multiply
    197,991.21x = 273,233.25 × 111,963.06
  4. Step 4: Simplify right side
    197,991.21x = 30,592,030,763.75
  5. Step 5: Solve for x
    x = 30,592,030,763.75/197,991.21
  6. Step 6: Final answer
    x = 154,512.07

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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.