Home / 320,741.33-481,218.89-107,530.34

Finding the Fourth Proportional to 320,741.33, 481,218.89 and 107,530.34

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Solution

The fourth proportional to 320,741.33, 481,218.89 and 107,530.34 is: 161,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,741.33 : 481,218.89 = 107,530.34 : x
  2. Step 2: Convert to fraction form
    320,741.33/481,218.89 = 107,530.34/x
  3. Step 3: Cross multiply
    320,741.33x = 481,218.89 × 107,530.34
  4. Step 4: Simplify right side
    320,741.33x = 51,745,627,912.38
  5. Step 5: Solve for x
    x = 51,745,627,912.38/320,741.33
  6. Step 6: Final answer
    x = 161,331.34

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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.