Home / 165,716.80-248,575.20-91,067.20

Finding the Fourth Proportional to 165,716.80, 248,575.20 and 91,067.20

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Solution

The fourth proportional to 165,716.80, 248,575.20 and 91,067.20 is: 136,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,716.80 : 248,575.20 = 91,067.20 : x
  2. Step 2: Convert to fraction form
    165,716.80/248,575.20 = 91,067.20/x
  3. Step 3: Cross multiply
    165,716.80x = 248,575.20 × 91,067.20
  4. Step 4: Simplify right side
    165,716.80x = 22,637,047,453.44
  5. Step 5: Solve for x
    x = 22,637,047,453.44/165,716.80
  6. Step 6: Final answer
    x = 136,600.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.