Home / 205,371.59-284,862.72-199,909.55

Finding the Fourth Proportional to 205,371.59, 284,862.72 and 199,909.55

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Solution

The fourth proportional to 205,371.59, 284,862.72 and 199,909.55 is: 277,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,371.59 : 284,862.72 = 199,909.55 : x
  2. Step 2: Convert to fraction form
    205,371.59/284,862.72 = 199,909.55/x
  3. Step 3: Cross multiply
    205,371.59x = 284,862.72 × 199,909.55
  4. Step 4: Simplify right side
    205,371.59x = 56,946,777,942.06
  5. Step 5: Solve for x
    x = 56,946,777,942.06/205,371.59
  6. Step 6: Final answer
    x = 277,286.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.