Home / 211,229.75-316,436.33-117,451.19

Finding the Fourth Proportional to 211,229.75, 316,436.33 and 117,451.19

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Solution

The fourth proportional to 211,229.75, 316,436.33 and 117,451.19 is: 175,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,229.75 : 316,436.33 = 117,451.19 : x
  2. Step 2: Convert to fraction form
    211,229.75/316,436.33 = 117,451.19/x
  3. Step 3: Cross multiply
    211,229.75x = 316,436.33 × 117,451.19
  4. Step 4: Simplify right side
    211,229.75x = 37,165,821,348.30
  5. Step 5: Solve for x
    x = 37,165,821,348.30/211,229.75
  6. Step 6: Final answer
    x = 175,949.75

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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.