Home / 128,132.13-192,198.20-33,362.04

Finding the Fourth Proportional to 128,132.13, 192,198.20 and 33,362.04

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Solution

The fourth proportional to 128,132.13, 192,198.20 and 33,362.04 is: 50,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,132.13 : 192,198.20 = 33,362.04 : x
  2. Step 2: Convert to fraction form
    128,132.13/192,198.20 = 33,362.04/x
  3. Step 3: Cross multiply
    128,132.13x = 192,198.20 × 33,362.04
  4. Step 4: Simplify right side
    128,132.13x = 6,412,124,081.43
  5. Step 5: Solve for x
    x = 6,412,124,081.43/128,132.13
  6. Step 6: Final answer
    x = 50,043.06

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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.