Home / 185,645.91-256,196.82-100,768.44

Finding the Fourth Proportional to 185,645.91, 256,196.82 and 100,768.44

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Solution

The fourth proportional to 185,645.91, 256,196.82 and 100,768.44 is: 139,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,645.91 : 256,196.82 = 100,768.44 : x
  2. Step 2: Convert to fraction form
    185,645.91/256,196.82 = 100,768.44/x
  3. Step 3: Cross multiply
    185,645.91x = 256,196.82 × 100,768.44
  4. Step 4: Simplify right side
    185,645.91x = 25,816,553,884.36
  5. Step 5: Solve for x
    x = 25,816,553,884.36/185,645.91
  6. Step 6: Final answer
    x = 139,063.41

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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.