Home / 196,067.32-270,596.94-115,490.68

Finding the Fourth Proportional to 196,067.32, 270,596.94 and 115,490.68

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Solution

The fourth proportional to 196,067.32, 270,596.94 and 115,490.68 is: 159,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,067.32 : 270,596.94 = 115,490.68 : x
  2. Step 2: Convert to fraction form
    196,067.32/270,596.94 = 115,490.68/x
  3. Step 3: Cross multiply
    196,067.32x = 270,596.94 × 115,490.68
  4. Step 4: Simplify right side
    196,067.32x = 31,251,424,606.52
  5. Step 5: Solve for x
    x = 31,251,424,606.52/196,067.32
  6. Step 6: Final answer
    x = 159,391.30

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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.