Home / 140,471.37-193,834.62-83,112.44

Finding the Fourth Proportional to 140,471.37, 193,834.62 and 83,112.44

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Solution

The fourth proportional to 140,471.37, 193,834.62 and 83,112.44 is: 114,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,471.37 : 193,834.62 = 83,112.44 : x
  2. Step 2: Convert to fraction form
    140,471.37/193,834.62 = 83,112.44/x
  3. Step 3: Cross multiply
    140,471.37x = 193,834.62 × 83,112.44
  4. Step 4: Simplify right side
    140,471.37x = 16,110,067,255.50
  5. Step 5: Solve for x
    x = 16,110,067,255.50/140,471.37
  6. Step 6: Final answer
    x = 114,685.77

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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.