Home / 133,795.89-200,668.26-67,217.55

Finding the Fourth Proportional to 133,795.89, 200,668.26 and 67,217.55

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Solution

The fourth proportional to 133,795.89, 200,668.26 and 67,217.55 is: 100,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,795.89 : 200,668.26 = 67,217.55 : x
  2. Step 2: Convert to fraction form
    133,795.89/200,668.26 = 67,217.55/x
  3. Step 3: Cross multiply
    133,795.89x = 200,668.26 × 67,217.55
  4. Step 4: Simplify right side
    133,795.89x = 13,488,428,799.96
  5. Step 5: Solve for x
    x = 13,488,428,799.96/133,795.89
  6. Step 6: Final answer
    x = 100,813.48

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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.