Home / 304,006.20-455,318.10-192,031.80

Finding the Fourth Proportional to 304,006.20, 455,318.10 and 192,031.80

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Solution

The fourth proportional to 304,006.20, 455,318.10 and 192,031.80 is: 287,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,006.20 : 455,318.10 = 192,031.80 : x
  2. Step 2: Convert to fraction form
    304,006.20/455,318.10 = 192,031.80/x
  3. Step 3: Cross multiply
    304,006.20x = 455,318.10 × 192,031.80
  4. Step 4: Simplify right side
    304,006.20x = 87,435,554,315.58
  5. Step 5: Solve for x
    x = 87,435,554,315.58/304,006.20
  6. Step 6: Final answer
    x = 287,611.09

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1.5x scale

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.