Home / 139,974.46-193,194.84-82,592.44

Finding the Fourth Proportional to 139,974.46, 193,194.84 and 82,592.44

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Solution

The fourth proportional to 139,974.46, 193,194.84 and 82,592.44 is: 113,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,974.46 : 193,194.84 = 82,592.44 : x
  2. Step 2: Convert to fraction form
    139,974.46/193,194.84 = 82,592.44/x
  3. Step 3: Cross multiply
    139,974.46x = 193,194.84 × 82,592.44
  4. Step 4: Simplify right side
    139,974.46x = 15,956,433,231.01
  5. Step 5: Solve for x
    x = 15,956,433,231.01/139,974.46
  6. Step 6: Final answer
    x = 113,995.32

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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.