Home / 123,183.81-184,774.10-29,688.75

Finding the Fourth Proportional to 123,183.81, 184,774.10 and 29,688.75

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Solution

The fourth proportional to 123,183.81, 184,774.10 and 29,688.75 is: 44,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,183.81 : 184,774.10 = 29,688.75 : x
  2. Step 2: Convert to fraction form
    123,183.81/184,774.10 = 29,688.75/x
  3. Step 3: Cross multiply
    123,183.81x = 184,774.10 × 29,688.75
  4. Step 4: Simplify right side
    123,183.81x = 5,485,711,912.93
  5. Step 5: Solve for x
    x = 5,485,711,912.93/123,183.81
  6. Step 6: Final answer
    x = 44,532.73

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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.