Home / 231,617.56-347,486.23-135,635.83

Finding the Fourth Proportional to 231,617.56, 347,486.23 and 135,635.83

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Solution

The fourth proportional to 231,617.56, 347,486.23 and 135,635.83 is: 203,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,617.56 : 347,486.23 = 135,635.83 : x
  2. Step 2: Convert to fraction form
    231,617.56/347,486.23 = 135,635.83/x
  3. Step 3: Cross multiply
    231,617.56x = 347,486.23 × 135,635.83
  4. Step 4: Simplify right side
    231,617.56x = 47,131,582,011.82
  5. Step 5: Solve for x
    x = 47,131,582,011.82/231,617.56
  6. Step 6: Final answer
    x = 203,488.81

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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.