Home / 231,930.48-347,939.46-74,116.56

Finding the Fourth Proportional to 231,930.48, 347,939.46 and 74,116.56

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Solution

The fourth proportional to 231,930.48, 347,939.46 and 74,116.56 is: 111,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,930.48 : 347,939.46 = 74,116.56 : x
  2. Step 2: Convert to fraction form
    231,930.48/347,939.46 = 74,116.56/x
  3. Step 3: Cross multiply
    231,930.48x = 347,939.46 × 74,116.56
  4. Step 4: Simplify right side
    231,930.48x = 25,788,075,863.46
  5. Step 5: Solve for x
    x = 25,788,075,863.46/231,930.48
  6. Step 6: Final answer
    x = 111,188.82

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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.