Home / 206,426.50-309,691.79-58,682.50

Finding the Fourth Proportional to 206,426.50, 309,691.79 and 58,682.50

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Solution

The fourth proportional to 206,426.50, 309,691.79 and 58,682.50 is: 88,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,426.50 : 309,691.79 = 58,682.50 : x
  2. Step 2: Convert to fraction form
    206,426.50/309,691.79 = 58,682.50/x
  3. Step 3: Cross multiply
    206,426.50x = 309,691.79 × 58,682.50
  4. Step 4: Simplify right side
    206,426.50x = 18,173,488,466.68
  5. Step 5: Solve for x
    x = 18,173,488,466.68/206,426.50
  6. Step 6: Final answer
    x = 88,038.54

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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.