Home / 185,064.75-255,389.49-100,181.88

Finding the Fourth Proportional to 185,064.75, 255,389.49 and 100,181.88

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Solution

The fourth proportional to 185,064.75, 255,389.49 and 100,181.88 is: 138,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,064.75 : 255,389.49 = 100,181.88 : x
  2. Step 2: Convert to fraction form
    185,064.75/255,389.49 = 100,181.88/x
  3. Step 3: Cross multiply
    185,064.75x = 255,389.49 × 100,181.88
  4. Step 4: Simplify right side
    185,064.75x = 25,585,399,240.44
  5. Step 5: Solve for x
    x = 25,585,399,240.44/185,064.75
  6. Step 6: Final answer
    x = 138,251.07

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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.