Home / 106,333.70-159,237.94-79,251.11

Finding the Fourth Proportional to 106,333.70, 159,237.94 and 79,251.11

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Solution

The fourth proportional to 106,333.70, 159,237.94 and 79,251.11 is: 118,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,333.70 : 159,237.94 = 79,251.11 : x
  2. Step 2: Convert to fraction form
    106,333.70/159,237.94 = 79,251.11/x
  3. Step 3: Cross multiply
    106,333.70x = 159,237.94 × 79,251.11
  4. Step 4: Simplify right side
    106,333.70x = 12,619,783,499.11
  5. Step 5: Solve for x
    x = 12,619,783,499.11/106,333.70
  6. Step 6: Final answer
    x = 118,680.94

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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.