Home / 141,366-211,933.84-78,183.60

Finding the Fourth Proportional to 141,366, 211,933.84 and 78,183.60

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Solution

The fourth proportional to 141,366, 211,933.84 and 78,183.60 is: 117,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,366 : 211,933.84 = 78,183.60 : x
  2. Step 2: Convert to fraction form
    141,366/211,933.84 = 78,183.60/x
  3. Step 3: Cross multiply
    141,366x = 211,933.84 × 78,183.60
  4. Step 4: Simplify right side
    141,366x = 16,569,750,573.02
  5. Step 5: Solve for x
    x = 16,569,750,573.02/141,366
  6. Step 6: Final answer
    x = 117,211.71

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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.