Home / 203,819.85-281,279.48-117,775.98

Finding the Fourth Proportional to 203,819.85, 281,279.48 and 117,775.98

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Solution

The fourth proportional to 203,819.85, 281,279.48 and 117,775.98 is: 162,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,819.85 : 281,279.48 = 117,775.98 : x
  2. Step 2: Convert to fraction form
    203,819.85/281,279.48 = 117,775.98/x
  3. Step 3: Cross multiply
    203,819.85x = 281,279.48 × 117,775.98
  4. Step 4: Simplify right side
    203,819.85x = 33,127,964,415.61
  5. Step 5: Solve for x
    x = 33,127,964,415.61/203,819.85
  6. Step 6: Final answer
    x = 162,535.52

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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.