Home / 187,712.22-259,067.50-107,121.26

Finding the Fourth Proportional to 187,712.22, 259,067.50 and 107,121.26

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Solution

The fourth proportional to 187,712.22, 259,067.50 and 107,121.26 is: 147,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,712.22 : 259,067.50 = 107,121.26 : x
  2. Step 2: Convert to fraction form
    187,712.22/259,067.50 = 107,121.26/x
  3. Step 3: Cross multiply
    187,712.22x = 259,067.50 × 107,121.26
  4. Step 4: Simplify right side
    187,712.22x = 27,751,637,025.05
  5. Step 5: Solve for x
    x = 27,751,637,025.05/187,712.22
  6. Step 6: Final answer
    x = 147,841.40

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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.