Home / 140,135.34-193,336.26-107,879.82

Finding the Fourth Proportional to 140,135.34, 193,336.26 and 107,879.82

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Solution

The fourth proportional to 140,135.34, 193,336.26 and 107,879.82 is: 148,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,135.34 : 193,336.26 = 107,879.82 : x
  2. Step 2: Convert to fraction form
    140,135.34/193,336.26 = 107,879.82/x
  3. Step 3: Cross multiply
    140,135.34x = 193,336.26 × 107,879.82
  4. Step 4: Simplify right side
    140,135.34x = 20,857,080,928.27
  5. Step 5: Solve for x
    x = 20,857,080,928.27/140,135.34
  6. Step 6: Final answer
    x = 148,835.27

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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.