Home / 297,976.50-447,245.64-108,619.89

Finding the Fourth Proportional to 297,976.50, 447,245.64 and 108,619.89

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Solution

The fourth proportional to 297,976.50, 447,245.64 and 108,619.89 is: 163,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,976.50 : 447,245.64 = 108,619.89 : x
  2. Step 2: Convert to fraction form
    297,976.50/447,245.64 = 108,619.89/x
  3. Step 3: Cross multiply
    297,976.50x = 447,245.64 × 108,619.89
  4. Step 4: Simplify right side
    297,976.50x = 48,579,772,219.78
  5. Step 5: Solve for x
    x = 48,579,772,219.78/297,976.50
  6. Step 6: Final answer
    x = 163,032.23

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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.