Home / 322,749.90-483,942.60-123,076.80

Finding the Fourth Proportional to 322,749.90, 483,942.60 and 123,076.80

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Solution

The fourth proportional to 322,749.90, 483,942.60 and 123,076.80 is: 184,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,749.90 : 483,942.60 = 123,076.80 : x
  2. Step 2: Convert to fraction form
    322,749.90/483,942.60 = 123,076.80/x
  3. Step 3: Cross multiply
    322,749.90x = 483,942.60 × 123,076.80
  4. Step 4: Simplify right side
    322,749.90x = 59,562,106,591.68
  5. Step 5: Solve for x
    x = 59,562,106,591.68/322,749.90
  6. Step 6: Final answer
    x = 184,545.70

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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.