Home / 320,890.14-481,328.72-110,523.42

Finding the Fourth Proportional to 320,890.14, 481,328.72 and 110,523.42

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Solution

The fourth proportional to 320,890.14, 481,328.72 and 110,523.42 is: 165,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,890.14 : 481,328.72 = 110,523.42 : x
  2. Step 2: Convert to fraction form
    320,890.14/481,328.72 = 110,523.42/x
  3. Step 3: Cross multiply
    320,890.14x = 481,328.72 × 110,523.42
  4. Step 4: Simplify right side
    320,890.14x = 53,198,096,278.62
  5. Step 5: Solve for x
    x = 53,198,096,278.62/320,890.14
  6. Step 6: Final answer
    x = 165,782.89

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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.