Home / 164,193.35-246,213.48-85,286.39

Finding the Fourth Proportional to 164,193.35, 246,213.48 and 85,286.39

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Solution

The fourth proportional to 164,193.35, 246,213.48 and 85,286.39 is: 127,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,193.35 : 246,213.48 = 85,286.39 : x
  2. Step 2: Convert to fraction form
    164,193.35/246,213.48 = 85,286.39/x
  3. Step 3: Cross multiply
    164,193.35x = 246,213.48 × 85,286.39
  4. Step 4: Simplify right side
    164,193.35x = 20,998,658,878.54
  5. Step 5: Solve for x
    x = 20,998,658,878.54/164,193.35
  6. Step 6: Final answer
    x = 127,889.83

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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.