Home / 194,614.20-291,921.30-54,372.60

Finding the Fourth Proportional to 194,614.20, 291,921.30 and 54,372.60

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Solution

The fourth proportional to 194,614.20, 291,921.30 and 54,372.60 is: 81,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,614.20 : 291,921.30 = 54,372.60 : x
  2. Step 2: Convert to fraction form
    194,614.20/291,921.30 = 54,372.60/x
  3. Step 3: Cross multiply
    194,614.20x = 291,921.30 × 54,372.60
  4. Step 4: Simplify right side
    194,614.20x = 15,872,520,076.38
  5. Step 5: Solve for x
    x = 15,872,520,076.38/194,614.20
  6. Step 6: Final answer
    x = 81,558.90

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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.