Home / 320,850.96-481,749.48-178,973.44

Finding the Fourth Proportional to 320,850.96, 481,749.48 and 178,973.44

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Solution

The fourth proportional to 320,850.96, 481,749.48 and 178,973.44 is: 268,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,850.96 : 481,749.48 = 178,973.44 : x
  2. Step 2: Convert to fraction form
    320,850.96/481,749.48 = 178,973.44/x
  3. Step 3: Cross multiply
    320,850.96x = 481,749.48 × 178,973.44
  4. Step 4: Simplify right side
    320,850.96x = 86,220,361,653.81
  5. Step 5: Solve for x
    x = 86,220,361,653.81/320,850.96
  6. Step 6: Final answer
    x = 268,724.03

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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.