Home / 221,090.99-331,765.07-92,997.86

Finding the Fourth Proportional to 221,090.99, 331,765.07 and 92,997.86

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Solution

The fourth proportional to 221,090.99, 331,765.07 and 92,997.86 is: 139,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,090.99 : 331,765.07 = 92,997.86 : x
  2. Step 2: Convert to fraction form
    221,090.99/331,765.07 = 92,997.86/x
  3. Step 3: Cross multiply
    221,090.99x = 331,765.07 × 92,997.86
  4. Step 4: Simplify right side
    221,090.99x = 30,853,439,408.94
  5. Step 5: Solve for x
    x = 30,853,439,408.94/221,090.99
  6. Step 6: Final answer
    x = 139,550.87

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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.