Home / 188,835.50-283,149.72-74,867.85

Finding the Fourth Proportional to 188,835.50, 283,149.72 and 74,867.85

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Solution

The fourth proportional to 188,835.50, 283,149.72 and 74,867.85 is: 112,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,835.50 : 283,149.72 = 74,867.85 : x
  2. Step 2: Convert to fraction form
    188,835.50/283,149.72 = 74,867.85/x
  3. Step 3: Cross multiply
    188,835.50x = 283,149.72 × 74,867.85
  4. Step 4: Simplify right side
    188,835.50x = 21,198,810,764.50
  5. Step 5: Solve for x
    x = 21,198,810,764.50/188,835.50
  6. Step 6: Final answer
    x = 112,260.73

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1.5x scale

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.