Home / 217,983.15-327,037.25-91,558.37

Finding the Fourth Proportional to 217,983.15, 327,037.25 and 91,558.37

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Solution

The fourth proportional to 217,983.15, 327,037.25 and 91,558.37 is: 137,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,983.15 : 327,037.25 = 91,558.37 : x
  2. Step 2: Convert to fraction form
    217,983.15/327,037.25 = 91,558.37/x
  3. Step 3: Cross multiply
    217,983.15x = 327,037.25 × 91,558.37
  4. Step 4: Simplify right side
    217,983.15x = 29,942,997,539.28
  5. Step 5: Solve for x
    x = 29,942,997,539.28/217,983.15
  6. Step 6: Final answer
    x = 137,363.82

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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.