Home / 135,269.44-186,650.40-87,524.80

Finding the Fourth Proportional to 135,269.44, 186,650.40 and 87,524.80

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Solution

The fourth proportional to 135,269.44, 186,650.40 and 87,524.80 is: 120,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,269.44 : 186,650.40 = 87,524.80 : x
  2. Step 2: Convert to fraction form
    135,269.44/186,650.40 = 87,524.80/x
  3. Step 3: Cross multiply
    135,269.44x = 186,650.40 × 87,524.80
  4. Step 4: Simplify right side
    135,269.44x = 16,336,538,929.92
  5. Step 5: Solve for x
    x = 16,336,538,929.92/135,269.44
  6. Step 6: Final answer
    x = 120,770.36

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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.