Home / 200,778.05-301,194.86-67,696.38

Finding the Fourth Proportional to 200,778.05, 301,194.86 and 67,696.38

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Solution

The fourth proportional to 200,778.05, 301,194.86 and 67,696.38 is: 101,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,778.05 : 301,194.86 = 67,696.38 : x
  2. Step 2: Convert to fraction form
    200,778.05/301,194.86 = 67,696.38/x
  3. Step 3: Cross multiply
    200,778.05x = 301,194.86 × 67,696.38
  4. Step 4: Simplify right side
    200,778.05x = 20,389,801,696.61
  5. Step 5: Solve for x
    x = 20,389,801,696.61/200,778.05
  6. Step 6: Final answer
    x = 101,553.94

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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.