Home / 132,105.24-198,164.79-100,564.77

Finding the Fourth Proportional to 132,105.24, 198,164.79 and 100,564.77

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Solution

The fourth proportional to 132,105.24, 198,164.79 and 100,564.77 is: 150,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,105.24 : 198,164.79 = 100,564.77 : x
  2. Step 2: Convert to fraction form
    132,105.24/198,164.79 = 100,564.77/x
  3. Step 3: Cross multiply
    132,105.24x = 198,164.79 × 100,564.77
  4. Step 4: Simplify right side
    132,105.24x = 19,928,396,528.45
  5. Step 5: Solve for x
    x = 19,928,396,528.45/132,105.24
  6. Step 6: Final answer
    x = 150,852.43

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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.