Home / 215,905.41-323,858.13-75,664.02

Finding the Fourth Proportional to 215,905.41, 323,858.13 and 75,664.02

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Solution

The fourth proportional to 215,905.41, 323,858.13 and 75,664.02 is: 113,496.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,905.41 : 323,858.13 = 75,664.02 : x
  2. Step 2: Convert to fraction form
    215,905.41/323,858.13 = 75,664.02/x
  3. Step 3: Cross multiply
    215,905.41x = 323,858.13 × 75,664.02
  4. Step 4: Simplify right side
    215,905.41x = 24,504,408,025.48
  5. Step 5: Solve for x
    x = 24,504,408,025.48/215,905.41
  6. Step 6: Final answer
    x = 113,496.04

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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.