Home / 106,785.90-160,166.70-27,908.10

Finding the Fourth Proportional to 106,785.90, 160,166.70 and 27,908.10

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Solution

The fourth proportional to 106,785.90, 160,166.70 and 27,908.10 is: 41,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,785.90 : 160,166.70 = 27,908.10 : x
  2. Step 2: Convert to fraction form
    106,785.90/160,166.70 = 27,908.10/x
  3. Step 3: Cross multiply
    106,785.90x = 160,166.70 × 27,908.10
  4. Step 4: Simplify right side
    106,785.90x = 4,469,948,280.27
  5. Step 5: Solve for x
    x = 4,469,948,280.27/106,785.90
  6. Step 6: Final answer
    x = 41,858.97

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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.