Home / 187,067.94-258,144.13-102,168.60

Finding the Fourth Proportional to 187,067.94, 258,144.13 and 102,168.60

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Solution

The fourth proportional to 187,067.94, 258,144.13 and 102,168.60 is: 140,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,067.94 : 258,144.13 = 102,168.60 : x
  2. Step 2: Convert to fraction form
    187,067.94/258,144.13 = 102,168.60/x
  3. Step 3: Cross multiply
    187,067.94x = 258,144.13 × 102,168.60
  4. Step 4: Simplify right side
    187,067.94x = 26,374,224,360.32
  5. Step 5: Solve for x
    x = 26,374,224,360.32/187,067.94
  6. Step 6: Final answer
    x = 140,987.41

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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.