Home / 271,773.14-407,408.20-103,242.92

Finding the Fourth Proportional to 271,773.14, 407,408.20 and 103,242.92

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Solution

The fourth proportional to 271,773.14, 407,408.20 and 103,242.92 is: 154,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,773.14 : 407,408.20 = 103,242.92 : x
  2. Step 2: Convert to fraction form
    271,773.14/407,408.20 = 103,242.92/x
  3. Step 3: Cross multiply
    271,773.14x = 407,408.20 × 103,242.92
  4. Step 4: Simplify right side
    271,773.14x = 42,062,009,904.80
  5. Step 5: Solve for x
    x = 42,062,009,904.80/271,773.14
  6. Step 6: Final answer
    x = 154,768.83

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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.