Home / 231,927.20-347,871.36-74,113.28

Finding the Fourth Proportional to 231,927.20, 347,871.36 and 74,113.28

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Solution

The fourth proportional to 231,927.20, 347,871.36 and 74,113.28 is: 111,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,927.20 : 347,871.36 = 74,113.28 : x
  2. Step 2: Convert to fraction form
    231,927.20/347,871.36 = 74,113.28/x
  3. Step 3: Cross multiply
    231,927.20x = 347,871.36 × 74,113.28
  4. Step 4: Simplify right side
    231,927.20x = 25,781,887,507.66
  5. Step 5: Solve for x
    x = 25,781,887,507.66/231,927.20
  6. Step 6: Final answer
    x = 111,163.71

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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.