Home / 451,920.30-677,884.32-114,961.25

Finding the Fourth Proportional to 451,920.30, 677,884.32 and 114,961.25

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Solution

The fourth proportional to 451,920.30, 677,884.32 and 114,961.25 is: 172,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,920.30 : 677,884.32 = 114,961.25 : x
  2. Step 2: Convert to fraction form
    451,920.30/677,884.32 = 114,961.25/x
  3. Step 3: Cross multiply
    451,920.30x = 677,884.32 × 114,961.25
  4. Step 4: Simplify right side
    451,920.30x = 77,930,425,393.18
  5. Step 5: Solve for x
    x = 77,930,425,393.18/451,920.30
  6. Step 6: Final answer
    x = 172,442.85

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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.