Home / 188,198.52-282,183.24-80,000.40

Finding the Fourth Proportional to 188,198.52, 282,183.24 and 80,000.40

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Solution

The fourth proportional to 188,198.52, 282,183.24 and 80,000.40 is: 119,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,198.52 : 282,183.24 = 80,000.40 : x
  2. Step 2: Convert to fraction form
    188,198.52/282,183.24 = 80,000.40/x
  3. Step 3: Cross multiply
    188,198.52x = 282,183.24 × 80,000.40
  4. Step 4: Simplify right side
    188,198.52x = 22,574,772,073.30
  5. Step 5: Solve for x
    x = 22,574,772,073.30/188,198.52
  6. Step 6: Final answer
    x = 119,951.91

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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.