Home / 133,122.44-199,628.20-54,183.08

Finding the Fourth Proportional to 133,122.44, 199,628.20 and 54,183.08

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Solution

The fourth proportional to 133,122.44, 199,628.20 and 54,183.08 is: 81,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,122.44 : 199,628.20 = 54,183.08 : x
  2. Step 2: Convert to fraction form
    133,122.44/199,628.20 = 54,183.08/x
  3. Step 3: Cross multiply
    133,122.44x = 199,628.20 × 54,183.08
  4. Step 4: Simplify right side
    133,122.44x = 10,816,470,730.86
  5. Step 5: Solve for x
    x = 10,816,470,730.86/133,122.44
  6. Step 6: Final answer
    x = 81,252.05

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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.