Home / 211,770.16-317,694.20-69,623.44

Finding the Fourth Proportional to 211,770.16, 317,694.20 and 69,623.44

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Solution

The fourth proportional to 211,770.16, 317,694.20 and 69,623.44 is: 104,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,770.16 : 317,694.20 = 69,623.44 : x
  2. Step 2: Convert to fraction form
    211,770.16/317,694.20 = 69,623.44/x
  3. Step 3: Cross multiply
    211,770.16x = 317,694.20 × 69,623.44
  4. Step 4: Simplify right side
    211,770.16x = 22,118,963,072.05
  5. Step 5: Solve for x
    x = 22,118,963,072.05/211,770.16
  6. Step 6: Final answer
    x = 104,447.97

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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.