Home / 251,761.24-347,439.30-137,049.33

Finding the Fourth Proportional to 251,761.24, 347,439.30 and 137,049.33

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Solution

The fourth proportional to 251,761.24, 347,439.30 and 137,049.33 is: 189,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,761.24 : 347,439.30 = 137,049.33 : x
  2. Step 2: Convert to fraction form
    251,761.24/347,439.30 = 137,049.33/x
  3. Step 3: Cross multiply
    251,761.24x = 347,439.30 × 137,049.33
  4. Step 4: Simplify right side
    251,761.24x = 47,616,323,280.67
  5. Step 5: Solve for x
    x = 47,616,323,280.67/251,761.24
  6. Step 6: Final answer
    x = 189,132.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.