Home / 192,066.78-265,067.16-107,196.60

Finding the Fourth Proportional to 192,066.78, 265,067.16 and 107,196.60

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Solution

The fourth proportional to 192,066.78, 265,067.16 and 107,196.60 is: 147,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,066.78 : 265,067.16 = 107,196.60 : x
  2. Step 2: Convert to fraction form
    192,066.78/265,067.16 = 107,196.60/x
  3. Step 3: Cross multiply
    192,066.78x = 265,067.16 × 107,196.60
  4. Step 4: Simplify right side
    192,066.78x = 28,414,298,323.66
  5. Step 5: Solve for x
    x = 28,414,298,323.66/192,066.78
  6. Step 6: Final answer
    x = 147,939.68

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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.