Home / 140,179.36-193,418.64-80,551.84

Finding the Fourth Proportional to 140,179.36, 193,418.64 and 80,551.84

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Solution

The fourth proportional to 140,179.36, 193,418.64 and 80,551.84 is: 111,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,179.36 : 193,418.64 = 80,551.84 : x
  2. Step 2: Convert to fraction form
    140,179.36/193,418.64 = 80,551.84/x
  3. Step 3: Cross multiply
    140,179.36x = 193,418.64 × 80,551.84
  4. Step 4: Simplify right side
    140,179.36x = 15,580,227,342.30
  5. Step 5: Solve for x
    x = 15,580,227,342.30/140,179.36
  6. Step 6: Final answer
    x = 111,144.95

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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.