Home / 192,034.08-288,198.14-86,926.86

Finding the Fourth Proportional to 192,034.08, 288,198.14 and 86,926.86

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Solution

The fourth proportional to 192,034.08, 288,198.14 and 86,926.86 is: 130,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,034.08 : 288,198.14 = 86,926.86 : x
  2. Step 2: Convert to fraction form
    192,034.08/288,198.14 = 86,926.86/x
  3. Step 3: Cross multiply
    192,034.08x = 288,198.14 × 86,926.86
  4. Step 4: Simplify right side
    192,034.08x = 25,052,158,933.41
  5. Step 5: Solve for x
    x = 25,052,158,933.41/192,034.08
  6. Step 6: Final answer
    x = 130,456.84

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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.