Home / 203,823.77-281,272.37-113,174.64

Finding the Fourth Proportional to 203,823.77, 281,272.37 and 113,174.64

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Solution

The fourth proportional to 203,823.77, 281,272.37 and 113,174.64 is: 156,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,823.77 : 281,272.37 = 113,174.64 : x
  2. Step 2: Convert to fraction form
    203,823.77/281,272.37 = 113,174.64/x
  3. Step 3: Cross multiply
    203,823.77x = 281,272.37 × 113,174.64
  4. Step 4: Simplify right side
    203,823.77x = 31,832,898,650.82
  5. Step 5: Solve for x
    x = 31,832,898,650.82/203,823.77
  6. Step 6: Final answer
    x = 156,178.54

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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.