Home / 133,729.57-200,561.55-54,866.35

Finding the Fourth Proportional to 133,729.57, 200,561.55 and 54,866.35

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Solution

The fourth proportional to 133,729.57, 200,561.55 and 54,866.35 is: 82,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,729.57 : 200,561.55 = 54,866.35 : x
  2. Step 2: Convert to fraction form
    133,729.57/200,561.55 = 54,866.35/x
  3. Step 3: Cross multiply
    133,729.57x = 200,561.55 × 54,866.35
  4. Step 4: Simplify right side
    133,729.57x = 11,004,080,198.84
  5. Step 5: Solve for x
    x = 11,004,080,198.84/133,729.57
  6. Step 6: Final answer
    x = 82,286.07

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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.