Home / 203,824.44-305,403.75-123,886.86

Finding the Fourth Proportional to 203,824.44, 305,403.75 and 123,886.86

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Solution

The fourth proportional to 203,824.44, 305,403.75 and 123,886.86 is: 185,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,824.44 : 305,403.75 = 123,886.86 : x
  2. Step 2: Convert to fraction form
    203,824.44/305,403.75 = 123,886.86/x
  3. Step 3: Cross multiply
    203,824.44x = 305,403.75 × 123,886.86
  4. Step 4: Simplify right side
    203,824.44x = 37,835,511,619.73
  5. Step 5: Solve for x
    x = 37,835,511,619.73/203,824.44
  6. Step 6: Final answer
    x = 185,627.94

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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.