Home / 140,992.25-194,572.33-77,329.89

Finding the Fourth Proportional to 140,992.25, 194,572.33 and 77,329.89

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Solution

The fourth proportional to 140,992.25, 194,572.33 and 77,329.89 is: 106,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,992.25 : 194,572.33 = 77,329.89 : x
  2. Step 2: Convert to fraction form
    140,992.25/194,572.33 = 77,329.89/x
  3. Step 3: Cross multiply
    140,992.25x = 194,572.33 × 77,329.89
  4. Step 4: Simplify right side
    140,992.25x = 15,046,256,682.62
  5. Step 5: Solve for x
    x = 15,046,256,682.62/140,992.25
  6. Step 6: Final answer
    x = 106,716.91

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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.