Home / 231,425.21-347,012.97-104,996.46

Finding the Fourth Proportional to 231,425.21, 347,012.97 and 104,996.46

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Solution

The fourth proportional to 231,425.21, 347,012.97 and 104,996.46 is: 157,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,425.21 : 347,012.97 = 104,996.46 : x
  2. Step 2: Convert to fraction form
    231,425.21/347,012.97 = 104,996.46/x
  3. Step 3: Cross multiply
    231,425.21x = 347,012.97 × 104,996.46
  4. Step 4: Simplify right side
    231,425.21x = 36,435,133,424.09
  5. Step 5: Solve for x
    x = 36,435,133,424.09/231,425.21
  6. Step 6: Final answer
    x = 157,438.05

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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.