Home / 451,753.12-677,688.54-136,241.92

Finding the Fourth Proportional to 451,753.12, 677,688.54 and 136,241.92

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Solution

The fourth proportional to 451,753.12, 677,688.54 and 136,241.92 is: 204,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,753.12 : 677,688.54 = 136,241.92 : x
  2. Step 2: Convert to fraction form
    451,753.12/677,688.54 = 136,241.92/x
  3. Step 3: Cross multiply
    451,753.12x = 677,688.54 × 136,241.92
  4. Step 4: Simplify right side
    451,753.12x = 92,329,587,851.60
  5. Step 5: Solve for x
    x = 92,329,587,851.60/451,753.12
  6. Step 6: Final answer
    x = 204,380.63

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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.