Home / 209,194.87-313,667.57-82,853.24

Finding the Fourth Proportional to 209,194.87, 313,667.57 and 82,853.24

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Solution

The fourth proportional to 209,194.87, 313,667.57 and 82,853.24 is: 124,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,194.87 : 313,667.57 = 82,853.24 : x
  2. Step 2: Convert to fraction form
    209,194.87/313,667.57 = 82,853.24/x
  3. Step 3: Cross multiply
    209,194.87x = 313,667.57 × 82,853.24
  4. Step 4: Simplify right side
    209,194.87x = 25,988,374,457.43
  5. Step 5: Solve for x
    x = 25,988,374,457.43/209,194.87
  6. Step 6: Final answer
    x = 124,230.46

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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.