Home / 297,986.16-447,260.15-108,629.54

Finding the Fourth Proportional to 297,986.16, 447,260.15 and 108,629.54

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Solution

The fourth proportional to 297,986.16, 447,260.15 and 108,629.54 is: 163,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,986.16 : 447,260.15 = 108,629.54 : x
  2. Step 2: Convert to fraction form
    297,986.16/447,260.15 = 108,629.54/x
  3. Step 3: Cross multiply
    297,986.16x = 447,260.15 × 108,629.54
  4. Step 4: Simplify right side
    297,986.16x = 48,585,664,354.83
  5. Step 5: Solve for x
    x = 48,585,664,354.83/297,986.16
  6. Step 6: Final answer
    x = 163,046.71

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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.