Home / 451,441.38-677,155.19-109,887.33

Finding the Fourth Proportional to 451,441.38, 677,155.19 and 109,887.33

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Solution

The fourth proportional to 451,441.38, 677,155.19 and 109,887.33 is: 164,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,441.38 : 677,155.19 = 109,887.33 : x
  2. Step 2: Convert to fraction form
    451,441.38/677,155.19 = 109,887.33/x
  3. Step 3: Cross multiply
    451,441.38x = 677,155.19 × 109,887.33
  4. Step 4: Simplify right side
    451,441.38x = 74,410,778,432.75
  5. Step 5: Solve for x
    x = 74,410,778,432.75/451,441.38
  6. Step 6: Final answer
    x = 164,829.33

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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.