Home / 140,804.28-194,309.88-84,229.02

Finding the Fourth Proportional to 140,804.28, 194,309.88 and 84,229.02

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Solution

The fourth proportional to 140,804.28, 194,309.88 and 84,229.02 is: 116,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,804.28 : 194,309.88 = 84,229.02 : x
  2. Step 2: Convert to fraction form
    140,804.28/194,309.88 = 84,229.02/x
  3. Step 3: Cross multiply
    140,804.28x = 194,309.88 × 84,229.02
  4. Step 4: Simplify right side
    140,804.28x = 16,366,530,768.72
  5. Step 5: Solve for x
    x = 16,366,530,768.72/140,804.28
  6. Step 6: Final answer
    x = 116,236.03

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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.