Home / 209,965.20-314,883.19-60,165.33

Finding the Fourth Proportional to 209,965.20, 314,883.19 and 60,165.33

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Solution

The fourth proportional to 209,965.20, 314,883.19 and 60,165.33 is: 90,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,965.20 : 314,883.19 = 60,165.33 : x
  2. Step 2: Convert to fraction form
    209,965.20/314,883.19 = 60,165.33/x
  3. Step 3: Cross multiply
    209,965.20x = 314,883.19 × 60,165.33
  4. Step 4: Simplify right side
    209,965.20x = 18,945,051,037.80
  5. Step 5: Solve for x
    x = 18,945,051,037.80/209,965.20
  6. Step 6: Final answer
    x = 90,229.48

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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.