Home / 140,716.14-194,186.31-77,053.92

Finding the Fourth Proportional to 140,716.14, 194,186.31 and 77,053.92

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Solution

The fourth proportional to 140,716.14, 194,186.31 and 77,053.92 is: 106,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,716.14 : 194,186.31 = 77,053.92 : x
  2. Step 2: Convert to fraction form
    140,716.14/194,186.31 = 77,053.92/x
  3. Step 3: Cross multiply
    140,716.14x = 194,186.31 × 77,053.92
  4. Step 4: Simplify right side
    140,716.14x = 14,962,816,395.84
  5. Step 5: Solve for x
    x = 14,962,816,395.84/140,716.14
  6. Step 6: Final answer
    x = 106,333.33

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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.