Home / 127,694.46-191,476.08-68,579.85

Finding the Fourth Proportional to 127,694.46, 191,476.08 and 68,579.85

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Solution

The fourth proportional to 127,694.46, 191,476.08 and 68,579.85 is: 102,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,694.46 : 191,476.08 = 68,579.85 : x
  2. Step 2: Convert to fraction form
    127,694.46/191,476.08 = 68,579.85/x
  3. Step 3: Cross multiply
    127,694.46x = 191,476.08 × 68,579.85
  4. Step 4: Simplify right side
    127,694.46x = 13,131,400,844.99
  5. Step 5: Solve for x
    x = 13,131,400,844.99/127,694.46
  6. Step 6: Final answer
    x = 102,834.54

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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.