Home / 269,867.21-372,422.58-149,016.20

Finding the Fourth Proportional to 269,867.21, 372,422.58 and 149,016.20

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Solution

The fourth proportional to 269,867.21, 372,422.58 and 149,016.20 is: 205,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,867.21 : 372,422.58 = 149,016.20 : x
  2. Step 2: Convert to fraction form
    269,867.21/372,422.58 = 149,016.20/x
  3. Step 3: Cross multiply
    269,867.21x = 372,422.58 × 149,016.20
  4. Step 4: Simplify right side
    269,867.21x = 55,496,997,665.80
  5. Step 5: Solve for x
    x = 55,496,997,665.80/269,867.21
  6. Step 6: Final answer
    x = 205,645.58

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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.