Home / 203,760.09-305,638.92-110,856.33

Finding the Fourth Proportional to 203,760.09, 305,638.92 and 110,856.33

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Solution

The fourth proportional to 203,760.09, 305,638.92 and 110,856.33 is: 166,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,760.09 : 305,638.92 = 110,856.33 : x
  2. Step 2: Convert to fraction form
    203,760.09/305,638.92 = 110,856.33/x
  3. Step 3: Cross multiply
    203,760.09x = 305,638.92 × 110,856.33
  4. Step 4: Simplify right side
    203,760.09x = 33,882,008,976.36
  5. Step 5: Solve for x
    x = 33,882,008,976.36/203,760.09
  6. Step 6: Final answer
    x = 166,283.83

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1.5x scale

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.