Home / 287,768.27-396,940.83-185,754.44

Finding the Fourth Proportional to 287,768.27, 396,940.83 and 185,754.44

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Solution

The fourth proportional to 287,768.27, 396,940.83 and 185,754.44 is: 256,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,768.27 : 396,940.83 = 185,754.44 : x
  2. Step 2: Convert to fraction form
    287,768.27/396,940.83 = 185,754.44/x
  3. Step 3: Cross multiply
    287,768.27x = 396,940.83 × 185,754.44
  4. Step 4: Simplify right side
    287,768.27x = 73,733,521,589.79
  5. Step 5: Solve for x
    x = 73,733,521,589.79/287,768.27
  6. Step 6: Final answer
    x = 256,225.34

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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.