Home / 168,037.50-252,056.26-43,378.50

Finding the Fourth Proportional to 168,037.50, 252,056.26 and 43,378.50

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Solution

The fourth proportional to 168,037.50, 252,056.26 and 43,378.50 is: 65,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,037.50 : 252,056.26 = 43,378.50 : x
  2. Step 2: Convert to fraction form
    168,037.50/252,056.26 = 43,378.50/x
  3. Step 3: Cross multiply
    168,037.50x = 252,056.26 × 43,378.50
  4. Step 4: Simplify right side
    168,037.50x = 10,933,822,474.41
  5. Step 5: Solve for x
    x = 10,933,822,474.41/168,037.50
  6. Step 6: Final answer
    x = 65,067.75

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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.