Home / 326,886.31-491,067.61-193,853.83

Finding the Fourth Proportional to 326,886.31, 491,067.61 and 193,853.83

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Solution

The fourth proportional to 326,886.31, 491,067.61 and 193,853.83 is: 291,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,886.31 : 491,067.61 = 193,853.83 : x
  2. Step 2: Convert to fraction form
    326,886.31/491,067.61 = 193,853.83/x
  3. Step 3: Cross multiply
    326,886.31x = 491,067.61 × 193,853.83
  4. Step 4: Simplify right side
    326,886.31x = 95,195,336,987.45
  5. Step 5: Solve for x
    x = 95,195,336,987.45/326,886.31
  6. Step 6: Final answer
    x = 291,218.49

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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.