Home / 287,769.27-396,942.21-185,755.44

Finding the Fourth Proportional to 287,769.27, 396,942.21 and 185,755.44

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Solution

The fourth proportional to 287,769.27, 396,942.21 and 185,755.44 is: 256,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,769.27 : 396,942.21 = 185,755.44 : x
  2. Step 2: Convert to fraction form
    287,769.27/396,942.21 = 185,755.44/x
  3. Step 3: Cross multiply
    287,769.27x = 396,942.21 × 185,755.44
  4. Step 4: Simplify right side
    287,769.27x = 73,734,174,873.12
  5. Step 5: Solve for x
    x = 73,734,174,873.12/287,769.27
  6. Step 6: Final answer
    x = 256,226.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.