Home / 180,768.68-271,151.64-54,408.38

Finding the Fourth Proportional to 180,768.68, 271,151.64 and 54,408.38

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Solution

The fourth proportional to 180,768.68, 271,151.64 and 54,408.38 is: 81,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,768.68 : 271,151.64 = 54,408.38 : x
  2. Step 2: Convert to fraction form
    180,768.68/271,151.64 = 54,408.38/x
  3. Step 3: Cross multiply
    180,768.68x = 271,151.64 × 54,408.38
  4. Step 4: Simplify right side
    180,768.68x = 14,752,920,110.99
  5. Step 5: Solve for x
    x = 14,752,920,110.99/180,768.68
  6. Step 6: Final answer
    x = 81,612.15

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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.