Home / 356,006.72-491,289.42-194,862.58

Finding the Fourth Proportional to 356,006.72, 491,289.42 and 194,862.58

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Solution

The fourth proportional to 356,006.72, 491,289.42 and 194,862.58 is: 268,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,006.72 : 491,289.42 = 194,862.58 : x
  2. Step 2: Convert to fraction form
    356,006.72/491,289.42 = 194,862.58/x
  3. Step 3: Cross multiply
    356,006.72x = 491,289.42 × 194,862.58
  4. Step 4: Simplify right side
    356,006.72x = 95,733,923,907.90
  5. Step 5: Solve for x
    x = 95,733,923,907.90/356,006.72
  6. Step 6: Final answer
    x = 268,910.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.