Home / 231,944.88-347,895.36-74,130.96

Finding the Fourth Proportional to 231,944.88, 347,895.36 and 74,130.96

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Solution

The fourth proportional to 231,944.88, 347,895.36 and 74,130.96 is: 111,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,944.88 : 347,895.36 = 74,130.96 : x
  2. Step 2: Convert to fraction form
    231,944.88/347,895.36 = 74,130.96/x
  3. Step 3: Cross multiply
    231,944.88x = 347,895.36 × 74,130.96
  4. Step 4: Simplify right side
    231,944.88x = 25,789,817,016.35
  5. Step 5: Solve for x
    x = 25,789,817,016.35/231,944.88
  6. Step 6: Final answer
    x = 111,189.42

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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.