Home / 116,179.68-173,993.04-66,828

Finding the Fourth Proportional to 116,179.68, 173,993.04 and 66,828

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Solution

The fourth proportional to 116,179.68, 173,993.04 and 66,828 is: 100,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,179.68 : 173,993.04 = 66,828 : x
  2. Step 2: Convert to fraction form
    116,179.68/173,993.04 = 66,828/x
  3. Step 3: Cross multiply
    116,179.68x = 173,993.04 × 66,828
  4. Step 4: Simplify right side
    116,179.68x = 11,627,606,877.12
  5. Step 5: Solve for x
    x = 11,627,606,877.12/116,179.68
  6. Step 6: Final answer
    x = 100,082.97

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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.