Home / 185,845.28-256,467.12-109,367.36

Finding the Fourth Proportional to 185,845.28, 256,467.12 and 109,367.36

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Solution

The fourth proportional to 185,845.28, 256,467.12 and 109,367.36 is: 150,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,845.28 : 256,467.12 = 109,367.36 : x
  2. Step 2: Convert to fraction form
    185,845.28/256,467.12 = 109,367.36/x
  3. Step 3: Cross multiply
    185,845.28x = 256,467.12 × 109,367.36
  4. Step 4: Simplify right side
    185,845.28x = 28,049,131,841.20
  5. Step 5: Solve for x
    x = 28,049,131,841.20/185,845.28
  6. Step 6: Final answer
    x = 150,927.33

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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.