Home / 231,190.20-346,412.70-131,052.60

Finding the Fourth Proportional to 231,190.20, 346,412.70 and 131,052.60

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Solution

The fourth proportional to 231,190.20, 346,412.70 and 131,052.60 is: 196,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,190.20 : 346,412.70 = 131,052.60 : x
  2. Step 2: Convert to fraction form
    231,190.20/346,412.70 = 131,052.60/x
  3. Step 3: Cross multiply
    231,190.20x = 346,412.70 × 131,052.60
  4. Step 4: Simplify right side
    231,190.20x = 45,398,285,008.02
  5. Step 5: Solve for x
    x = 45,398,285,008.02/231,190.20
  6. Step 6: Final answer
    x = 196,367.69

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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.