Home / 231,755.02-347,761.70-125,136.72

Finding the Fourth Proportional to 231,755.02, 347,761.70 and 125,136.72

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Solution

The fourth proportional to 231,755.02, 347,761.70 and 125,136.72 is: 187,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,755.02 : 347,761.70 = 125,136.72 : x
  2. Step 2: Convert to fraction form
    231,755.02/347,761.70 = 125,136.72/x
  3. Step 3: Cross multiply
    231,755.02x = 347,761.70 × 125,136.72
  4. Step 4: Simplify right side
    231,755.02x = 43,517,760,005.18
  5. Step 5: Solve for x
    x = 43,517,760,005.18/231,755.02
  6. Step 6: Final answer
    x = 187,774.83

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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.