Home / 140,576.19-193,933.52-82,403.44

Finding the Fourth Proportional to 140,576.19, 193,933.52 and 82,403.44

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Solution

The fourth proportional to 140,576.19, 193,933.52 and 82,403.44 is: 113,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,576.19 : 193,933.52 = 82,403.44 : x
  2. Step 2: Convert to fraction form
    140,576.19/193,933.52 = 82,403.44/x
  3. Step 3: Cross multiply
    140,576.19x = 193,933.52 × 82,403.44
  4. Step 4: Simplify right side
    140,576.19x = 15,980,788,591.47
  5. Step 5: Solve for x
    x = 15,980,788,591.47/140,576.19
  6. Step 6: Final answer
    x = 113,680.62

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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.