Home / 200,736.17-301,104.78-67,709.77

Finding the Fourth Proportional to 200,736.17, 301,104.78 and 67,709.77

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Solution

The fourth proportional to 200,736.17, 301,104.78 and 67,709.77 is: 101,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,736.17 : 301,104.78 = 67,709.77 : x
  2. Step 2: Convert to fraction form
    200,736.17/301,104.78 = 67,709.77/x
  3. Step 3: Cross multiply
    200,736.17x = 301,104.78 × 67,709.77
  4. Step 4: Simplify right side
    200,736.17x = 20,387,734,646.94
  5. Step 5: Solve for x
    x = 20,387,734,646.94/200,736.17
  6. Step 6: Final answer
    x = 101,564.83

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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.