Home / 320,850.92-481,749.49-178,973.39

Finding the Fourth Proportional to 320,850.92, 481,749.49 and 178,973.39

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Solution

The fourth proportional to 320,850.92, 481,749.49 and 178,973.39 is: 268,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,850.92 : 481,749.49 = 178,973.39 : x
  2. Step 2: Convert to fraction form
    320,850.92/481,749.49 = 178,973.39/x
  3. Step 3: Cross multiply
    320,850.92x = 481,749.49 × 178,973.39
  4. Step 4: Simplify right side
    320,850.92x = 86,220,340,113.01
  5. Step 5: Solve for x
    x = 86,220,340,113.01/320,850.92
  6. Step 6: Final answer
    x = 268,724.00

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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.