Home / 203,760.88-281,175.91-113,109.68

Finding the Fourth Proportional to 203,760.88, 281,175.91 and 113,109.68

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Solution

The fourth proportional to 203,760.88, 281,175.91 and 113,109.68 is: 156,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,760.88 : 281,175.91 = 113,109.68 : x
  2. Step 2: Convert to fraction form
    203,760.88/281,175.91 = 113,109.68/x
  3. Step 3: Cross multiply
    203,760.88x = 281,175.91 × 113,109.68
  4. Step 4: Simplify right side
    203,760.88x = 31,803,717,203.81
  5. Step 5: Solve for x
    x = 31,803,717,203.81/203,760.88
  6. Step 6: Final answer
    x = 156,083.53

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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.