Home / 214,093.72-321,435.42-108,985.96

Finding the Fourth Proportional to 214,093.72, 321,435.42 and 108,985.96

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Solution

The fourth proportional to 214,093.72, 321,435.42 and 108,985.96 is: 163,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,093.72 : 321,435.42 = 108,985.96 : x
  2. Step 2: Convert to fraction form
    214,093.72/321,435.42 = 108,985.96/x
  3. Step 3: Cross multiply
    214,093.72x = 321,435.42 × 108,985.96
  4. Step 4: Simplify right side
    214,093.72x = 35,031,947,826.70
  5. Step 5: Solve for x
    x = 35,031,947,826.70/214,093.72
  6. Step 6: Final answer
    x = 163,629.03

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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.