Home / 209,141.38-313,679.13-173,829.43

Finding the Fourth Proportional to 209,141.38, 313,679.13 and 173,829.43

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Solution

The fourth proportional to 209,141.38, 313,679.13 and 173,829.43 is: 260,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,141.38 : 313,679.13 = 173,829.43 : x
  2. Step 2: Convert to fraction form
    209,141.38/313,679.13 = 173,829.43/x
  3. Step 3: Cross multiply
    209,141.38x = 313,679.13 × 173,829.43
  4. Step 4: Simplify right side
    209,141.38x = 54,526,664,370.80
  5. Step 5: Solve for x
    x = 54,526,664,370.80/209,141.38
  6. Step 6: Final answer
    x = 260,716.77

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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.