Home / 206,566.60-309,849.90-192,569.80

Finding the Fourth Proportional to 206,566.60, 309,849.90 and 192,569.80

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Solution

The fourth proportional to 206,566.60, 309,849.90 and 192,569.80 is: 288,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,566.60 : 309,849.90 = 192,569.80 : x
  2. Step 2: Convert to fraction form
    206,566.60/309,849.90 = 192,569.80/x
  3. Step 3: Cross multiply
    206,566.60x = 309,849.90 × 192,569.80
  4. Step 4: Simplify right side
    206,566.60x = 59,667,733,273.02
  5. Step 5: Solve for x
    x = 59,667,733,273.02/206,566.60
  6. Step 6: Final answer
    x = 288,854.70

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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.