Home / 304,066.20-455,408.10-192,091.80

Finding the Fourth Proportional to 304,066.20, 455,408.10 and 192,091.80

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Solution

The fourth proportional to 304,066.20, 455,408.10 and 192,091.80 is: 287,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,066.20 : 455,408.10 = 192,091.80 : x
  2. Step 2: Convert to fraction form
    304,066.20/455,408.10 = 192,091.80/x
  3. Step 3: Cross multiply
    304,066.20x = 455,408.10 × 192,091.80
  4. Step 4: Simplify right side
    304,066.20x = 87,480,161,663.58
  5. Step 5: Solve for x
    x = 87,480,161,663.58/304,066.20
  6. Step 6: Final answer
    x = 287,701.04

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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.