Home / 316,190.44-474,286.46-129,201.94

Finding the Fourth Proportional to 316,190.44, 474,286.46 and 129,201.94

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Solution

The fourth proportional to 316,190.44, 474,286.46 and 129,201.94 is: 193,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,190.44 : 474,286.46 = 129,201.94 : x
  2. Step 2: Convert to fraction form
    316,190.44/474,286.46 = 129,201.94/x
  3. Step 3: Cross multiply
    316,190.44x = 474,286.46 × 129,201.94
  4. Step 4: Simplify right side
    316,190.44x = 61,278,730,747.73
  5. Step 5: Solve for x
    x = 61,278,730,747.73/316,190.44
  6. Step 6: Final answer
    x = 193,803.24

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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.