Home / 264,799.20-396,939.60-106,816.80

Finding the Fourth Proportional to 264,799.20, 396,939.60 and 106,816.80

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Solution

The fourth proportional to 264,799.20, 396,939.60 and 106,816.80 is: 160,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,799.20 : 396,939.60 = 106,816.80 : x
  2. Step 2: Convert to fraction form
    264,799.20/396,939.60 = 106,816.80/x
  3. Step 3: Cross multiply
    264,799.20x = 396,939.60 × 106,816.80
  4. Step 4: Simplify right side
    264,799.20x = 42,399,817,865.28
  5. Step 5: Solve for x
    x = 42,399,817,865.28/264,799.20
  6. Step 6: Final answer
    x = 160,120.64

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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.