Home / 373,538.22-515,481.66-203,771.12

Finding the Fourth Proportional to 373,538.22, 515,481.66 and 203,771.12

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Solution

The fourth proportional to 373,538.22, 515,481.66 and 203,771.12 is: 281,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,538.22 : 515,481.66 = 203,771.12 : x
  2. Step 2: Convert to fraction form
    373,538.22/515,481.66 = 203,771.12/x
  3. Step 3: Cross multiply
    373,538.22x = 515,481.66 × 203,771.12
  4. Step 4: Simplify right side
    373,538.22x = 105,040,275,197.66
  5. Step 5: Solve for x
    x = 105,040,275,197.66/373,538.22
  6. Step 6: Final answer
    x = 281,203.55

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1.5x scale

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.