Home / 133,033.84-199,550.20-54,129.36

Finding the Fourth Proportional to 133,033.84, 199,550.20 and 54,129.36

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Solution

The fourth proportional to 133,033.84, 199,550.20 and 54,129.36 is: 81,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,033.84 : 199,550.20 = 54,129.36 : x
  2. Step 2: Convert to fraction form
    133,033.84/199,550.20 = 54,129.36/x
  3. Step 3: Cross multiply
    133,033.84x = 199,550.20 × 54,129.36
  4. Step 4: Simplify right side
    133,033.84x = 10,801,524,613.87
  5. Step 5: Solve for x
    x = 10,801,524,613.87/133,033.84
  6. Step 6: Final answer
    x = 81,193.81

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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.