Home / 203,827.52-281,272.50-113,189.22

Finding the Fourth Proportional to 203,827.52, 281,272.50 and 113,189.22

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Solution

The fourth proportional to 203,827.52, 281,272.50 and 113,189.22 is: 156,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,827.52 : 281,272.50 = 113,189.22 : x
  2. Step 2: Convert to fraction form
    203,827.52/281,272.50 = 113,189.22/x
  3. Step 3: Cross multiply
    203,827.52x = 281,272.50 × 113,189.22
  4. Step 4: Simplify right side
    203,827.52x = 31,837,014,882.45
  5. Step 5: Solve for x
    x = 31,837,014,882.45/203,827.52
  6. Step 6: Final answer
    x = 156,195.86

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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.