Home / 320,749.38-481,119.03-110,389.14

Finding the Fourth Proportional to 320,749.38, 481,119.03 and 110,389.14

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Solution

The fourth proportional to 320,749.38, 481,119.03 and 110,389.14 is: 165,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,749.38 : 481,119.03 = 110,389.14 : x
  2. Step 2: Convert to fraction form
    320,749.38/481,119.03 = 110,389.14/x
  3. Step 3: Cross multiply
    320,749.38x = 481,119.03 × 110,389.14
  4. Step 4: Simplify right side
    320,749.38x = 53,110,315,959.33
  5. Step 5: Solve for x
    x = 53,110,315,959.33/320,749.38
  6. Step 6: Final answer
    x = 165,581.98

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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.