Home / 185,668.37-256,222.13-100,785.44

Finding the Fourth Proportional to 185,668.37, 256,222.13 and 100,785.44

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Solution

The fourth proportional to 185,668.37, 256,222.13 and 100,785.44 is: 139,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,668.37 : 256,222.13 = 100,785.44 : x
  2. Step 2: Convert to fraction form
    185,668.37/256,222.13 = 100,785.44/x
  3. Step 3: Cross multiply
    185,668.37x = 256,222.13 × 100,785.44
  4. Step 4: Simplify right side
    185,668.37x = 25,823,458,324.75
  5. Step 5: Solve for x
    x = 25,823,458,324.75/185,668.37
  6. Step 6: Final answer
    x = 139,083.78

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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.