Home / 188,921.20-283,446.60-83,815.60

Finding the Fourth Proportional to 188,921.20, 283,446.60 and 83,815.60

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Solution

The fourth proportional to 188,921.20, 283,446.60 and 83,815.60 is: 125,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,921.20 : 283,446.60 = 83,815.60 : x
  2. Step 2: Convert to fraction form
    188,921.20/283,446.60 = 83,815.60/x
  3. Step 3: Cross multiply
    188,921.20x = 283,446.60 × 83,815.60
  4. Step 4: Simplify right side
    188,921.20x = 23,757,246,846.96
  5. Step 5: Solve for x
    x = 23,757,246,846.96/188,921.20
  6. Step 6: Final answer
    x = 125,752.15

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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.