Home / 243,715.11-365,607.50-75,249.29

Finding the Fourth Proportional to 243,715.11, 365,607.50 and 75,249.29

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Solution

The fourth proportional to 243,715.11, 365,607.50 and 75,249.29 is: 112,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,715.11 : 365,607.50 = 75,249.29 : x
  2. Step 2: Convert to fraction form
    243,715.11/365,607.50 = 75,249.29/x
  3. Step 3: Cross multiply
    243,715.11x = 365,607.50 × 75,249.29
  4. Step 4: Simplify right side
    243,715.11x = 27,511,702,589.39
  5. Step 5: Solve for x
    x = 27,511,702,589.39/243,715.11
  6. Step 6: Final answer
    x = 112,884.68

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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.