Home / 140,954.22-194,516.57-77,296.12

Finding the Fourth Proportional to 140,954.22, 194,516.57 and 77,296.12

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Solution

The fourth proportional to 140,954.22, 194,516.57 and 77,296.12 is: 106,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,954.22 : 194,516.57 = 77,296.12 : x
  2. Step 2: Convert to fraction form
    140,954.22/194,516.57 = 77,296.12/x
  3. Step 3: Cross multiply
    140,954.22x = 194,516.57 × 77,296.12
  4. Step 4: Simplify right side
    140,954.22x = 15,035,375,843.66
  5. Step 5: Solve for x
    x = 15,035,375,843.66/140,954.22
  6. Step 6: Final answer
    x = 106,668.50

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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.