Home / 393,939.20-591,093.34-194,150.60

Finding the Fourth Proportional to 393,939.20, 591,093.34 and 194,150.60

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Solution

The fourth proportional to 393,939.20, 591,093.34 and 194,150.60 is: 291,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,939.20 : 591,093.34 = 194,150.60 : x
  2. Step 2: Convert to fraction form
    393,939.20/591,093.34 = 194,150.60/x
  3. Step 3: Cross multiply
    393,939.20x = 591,093.34 × 194,150.60
  4. Step 4: Simplify right side
    393,939.20x = 114,761,124,276.36
  5. Step 5: Solve for x
    x = 114,761,124,276.36/393,939.20
  6. Step 6: Final answer
    x = 291,316.85

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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.