Home / 203,794.86-281,139.48-122,083.68

Finding the Fourth Proportional to 203,794.86, 281,139.48 and 122,083.68

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Solution

The fourth proportional to 203,794.86, 281,139.48 and 122,083.68 is: 168,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,794.86 : 281,139.48 = 122,083.68 : x
  2. Step 2: Convert to fraction form
    203,794.86/281,139.48 = 122,083.68/x
  3. Step 3: Cross multiply
    203,794.86x = 281,139.48 × 122,083.68
  4. Step 4: Simplify right side
    203,794.86x = 34,322,542,311.69
  5. Step 5: Solve for x
    x = 34,322,542,311.69/203,794.86
  6. Step 6: Final answer
    x = 168,417.11

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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.