Home / 208,827.66-313,171.29-75,680.04

Finding the Fourth Proportional to 208,827.66, 313,171.29 and 75,680.04

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Solution

The fourth proportional to 208,827.66, 313,171.29 and 75,680.04 is: 113,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,827.66 : 313,171.29 = 75,680.04 : x
  2. Step 2: Convert to fraction form
    208,827.66/313,171.29 = 75,680.04/x
  3. Step 3: Cross multiply
    208,827.66x = 313,171.29 × 75,680.04
  4. Step 4: Simplify right side
    208,827.66x = 23,700,815,754.05
  5. Step 5: Solve for x
    x = 23,700,815,754.05/208,827.66
  6. Step 6: Final answer
    x = 113,494.62

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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.