Home / 185,249.25-255,644.21-100,366.31

Finding the Fourth Proportional to 185,249.25, 255,644.21 and 100,366.31

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Solution

The fourth proportional to 185,249.25, 255,644.21 and 100,366.31 is: 138,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,249.25 : 255,644.21 = 100,366.31 : x
  2. Step 2: Convert to fraction form
    185,249.25/255,644.21 = 100,366.31/x
  3. Step 3: Cross multiply
    185,249.25x = 255,644.21 × 100,366.31
  4. Step 4: Simplify right side
    185,249.25x = 25,658,064,250.51
  5. Step 5: Solve for x
    x = 25,658,064,250.51/185,249.25
  6. Step 6: Final answer
    x = 138,505.63

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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.