Home / 260,749.82-391,299.99-92,269.44

Finding the Fourth Proportional to 260,749.82, 391,299.99 and 92,269.44

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Solution

The fourth proportional to 260,749.82, 391,299.99 and 92,269.44 is: 138,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,749.82 : 391,299.99 = 92,269.44 : x
  2. Step 2: Convert to fraction form
    260,749.82/391,299.99 = 92,269.44/x
  3. Step 3: Cross multiply
    260,749.82x = 391,299.99 × 92,269.44
  4. Step 4: Simplify right side
    260,749.82x = 36,105,030,949.31
  5. Step 5: Solve for x
    x = 36,105,030,949.31/260,749.82
  6. Step 6: Final answer
    x = 138,466.18

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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.