Home / 204,749.73-307,124.64-80,003.25

Finding the Fourth Proportional to 204,749.73, 307,124.64 and 80,003.25

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Solution

The fourth proportional to 204,749.73, 307,124.64 and 80,003.25 is: 120,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,749.73 : 307,124.64 = 80,003.25 : x
  2. Step 2: Convert to fraction form
    204,749.73/307,124.64 = 80,003.25/x
  3. Step 3: Cross multiply
    204,749.73x = 307,124.64 × 80,003.25
  4. Step 4: Simplify right side
    204,749.73x = 24,570,969,355.08
  5. Step 5: Solve for x
    x = 24,570,969,355.08/204,749.73
  6. Step 6: Final answer
    x = 120,004.89

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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.