Home / 110,716.20-166,511.70-99,343.80

Finding the Fourth Proportional to 110,716.20, 166,511.70 and 99,343.80

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Solution

The fourth proportional to 110,716.20, 166,511.70 and 99,343.80 is: 149,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,716.20 : 166,511.70 = 99,343.80 : x
  2. Step 2: Convert to fraction form
    110,716.20/166,511.70 = 99,343.80/x
  3. Step 3: Cross multiply
    110,716.20x = 166,511.70 × 99,343.80
  4. Step 4: Simplify right side
    110,716.20x = 16,541,905,022.46
  5. Step 5: Solve for x
    x = 16,541,905,022.46/110,716.20
  6. Step 6: Final answer
    x = 149,408.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.