Home / 227,905.10-342,165.45-133,232.30

Finding the Fourth Proportional to 227,905.10, 342,165.45 and 133,232.30

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Solution

The fourth proportional to 227,905.10, 342,165.45 and 133,232.30 is: 200,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,905.10 : 342,165.45 = 133,232.30 : x
  2. Step 2: Convert to fraction form
    227,905.10/342,165.45 = 133,232.30/x
  3. Step 3: Cross multiply
    227,905.10x = 342,165.45 × 133,232.30
  4. Step 4: Simplify right side
    227,905.10x = 45,587,489,884.04
  5. Step 5: Solve for x
    x = 45,587,489,884.04/227,905.10
  6. Step 6: Final answer
    x = 200,028.39

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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.