Home / 140,744.88-194,232.60-77,086.17

Finding the Fourth Proportional to 140,744.88, 194,232.60 and 77,086.17

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Solution

The fourth proportional to 140,744.88, 194,232.60 and 77,086.17 is: 106,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,744.88 : 194,232.60 = 77,086.17 : x
  2. Step 2: Convert to fraction form
    140,744.88/194,232.60 = 77,086.17/x
  3. Step 3: Cross multiply
    140,744.88x = 194,232.60 × 77,086.17
  4. Step 4: Simplify right side
    140,744.88x = 14,972,647,223.14
  5. Step 5: Solve for x
    x = 14,972,647,223.14/140,744.88
  6. Step 6: Final answer
    x = 106,381.47

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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.