Home / 373,781.03-515,884.70-222,887.75

Finding the Fourth Proportional to 373,781.03, 515,884.70 and 222,887.75

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Solution

The fourth proportional to 373,781.03, 515,884.70 and 222,887.75 is: 307,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,781.03 : 515,884.70 = 222,887.75 : x
  2. Step 2: Convert to fraction form
    373,781.03/515,884.70 = 222,887.75/x
  3. Step 3: Cross multiply
    373,781.03x = 515,884.70 × 222,887.75
  4. Step 4: Simplify right side
    373,781.03x = 114,984,378,927.99
  5. Step 5: Solve for x
    x = 114,984,378,927.99/373,781.03
  6. Step 6: Final answer
    x = 307,624.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.