Home / 152,917.21-229,375.83-47,745.19

Finding the Fourth Proportional to 152,917.21, 229,375.83 and 47,745.19

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Solution

The fourth proportional to 152,917.21, 229,375.83 and 47,745.19 is: 71,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,917.21 : 229,375.83 = 47,745.19 : x
  2. Step 2: Convert to fraction form
    152,917.21/229,375.83 = 47,745.19/x
  3. Step 3: Cross multiply
    152,917.21x = 229,375.83 × 47,745.19
  4. Step 4: Simplify right side
    152,917.21x = 10,951,591,437.88
  5. Step 5: Solve for x
    x = 10,951,591,437.88/152,917.21
  6. Step 6: Final answer
    x = 71,617.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.