Home / 220,769.64-332,629.56-199,736.37

Finding the Fourth Proportional to 220,769.64, 332,629.56 and 199,736.37

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Solution

The fourth proportional to 220,769.64, 332,629.56 and 199,736.37 is: 300,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,769.64 : 332,629.56 = 199,736.37 : x
  2. Step 2: Convert to fraction form
    220,769.64/332,629.56 = 199,736.37/x
  3. Step 3: Cross multiply
    220,769.64x = 332,629.56 × 199,736.37
  4. Step 4: Simplify right side
    220,769.64x = 66,438,220,869.10
  5. Step 5: Solve for x
    x = 66,438,220,869.10/220,769.64
  6. Step 6: Final answer
    x = 300,939.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.