Home / 200,786.08-301,197.84-72,734.44

Finding the Fourth Proportional to 200,786.08, 301,197.84 and 72,734.44

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Solution

The fourth proportional to 200,786.08, 301,197.84 and 72,734.44 is: 109,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,786.08 : 301,197.84 = 72,734.44 : x
  2. Step 2: Convert to fraction form
    200,786.08/301,197.84 = 72,734.44/x
  3. Step 3: Cross multiply
    200,786.08x = 301,197.84 × 72,734.44
  4. Step 4: Simplify right side
    200,786.08x = 21,907,456,221.61
  5. Step 5: Solve for x
    x = 21,907,456,221.61/200,786.08
  6. Step 6: Final answer
    x = 109,108.44

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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.