Home / 189,183.33-283,773.97-81,096.78

Finding the Fourth Proportional to 189,183.33, 283,773.97 and 81,096.78

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Solution

The fourth proportional to 189,183.33, 283,773.97 and 81,096.78 is: 121,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,183.33 : 283,773.97 = 81,096.78 : x
  2. Step 2: Convert to fraction form
    189,183.33/283,773.97 = 81,096.78/x
  3. Step 3: Cross multiply
    189,183.33x = 283,773.97 × 81,096.78
  4. Step 4: Simplify right side
    189,183.33x = 23,013,155,214.82
  5. Step 5: Solve for x
    x = 23,013,155,214.82/189,183.33
  6. Step 6: Final answer
    x = 121,644.73

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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.