Home / 451,997.80-677,974.78-167,743.76

Finding the Fourth Proportional to 451,997.80, 677,974.78 and 167,743.76

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Solution

The fourth proportional to 451,997.80, 677,974.78 and 167,743.76 is: 251,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,997.80 : 677,974.78 = 167,743.76 : x
  2. Step 2: Convert to fraction form
    451,997.80/677,974.78 = 167,743.76/x
  3. Step 3: Cross multiply
    451,997.80x = 677,974.78 × 167,743.76
  4. Step 4: Simplify right side
    451,997.80x = 113,726,038,472.23
  5. Step 5: Solve for x
    x = 113,726,038,472.23/451,997.80
  6. Step 6: Final answer
    x = 251,607.50

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Similar ratio
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1.5x scale

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.