Home / 197,786.44-272,969.22-111,749.05

Finding the Fourth Proportional to 197,786.44, 272,969.22 and 111,749.05

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Solution

The fourth proportional to 197,786.44, 272,969.22 and 111,749.05 is: 154,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,786.44 : 272,969.22 = 111,749.05 : x
  2. Step 2: Convert to fraction form
    197,786.44/272,969.22 = 111,749.05/x
  3. Step 3: Cross multiply
    197,786.44x = 272,969.22 × 111,749.05
  4. Step 4: Simplify right side
    197,786.44x = 30,504,051,014.24
  5. Step 5: Solve for x
    x = 30,504,051,014.24/197,786.44
  6. Step 6: Final answer
    x = 154,227.21

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1.5x scale

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.