Home / 304,092.20-455,447.10-192,117.80

Finding the Fourth Proportional to 304,092.20, 455,447.10 and 192,117.80

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Solution

The fourth proportional to 304,092.20, 455,447.10 and 192,117.80 is: 287,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,092.20 : 455,447.10 = 192,117.80 : x
  2. Step 2: Convert to fraction form
    304,092.20/455,447.10 = 192,117.80/x
  3. Step 3: Cross multiply
    304,092.20x = 455,447.10 × 192,117.80
  4. Step 4: Simplify right side
    304,092.20x = 87,499,494,868.38
  5. Step 5: Solve for x
    x = 87,499,494,868.38/304,092.20
  6. Step 6: Final answer
    x = 287,740.02

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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.