Home / 200,845.57-300,985.17-110,928.82

Finding the Fourth Proportional to 200,845.57, 300,985.17 and 110,928.82

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Solution

The fourth proportional to 200,845.57, 300,985.17 and 110,928.82 is: 166,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,845.57 : 300,985.17 = 110,928.82 : x
  2. Step 2: Convert to fraction form
    200,845.57/300,985.17 = 110,928.82/x
  3. Step 3: Cross multiply
    200,845.57x = 300,985.17 × 110,928.82
  4. Step 4: Simplify right side
    200,845.57x = 33,387,929,745.60
  5. Step 5: Solve for x
    x = 33,387,929,745.60/200,845.57
  6. Step 6: Final answer
    x = 166,236.82

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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.