Home / 140,104.64-193,394.27-82,744.19

Finding the Fourth Proportional to 140,104.64, 193,394.27 and 82,744.19

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Solution

The fourth proportional to 140,104.64, 193,394.27 and 82,744.19 is: 114,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,104.64 : 193,394.27 = 82,744.19 : x
  2. Step 2: Convert to fraction form
    140,104.64/193,394.27 = 82,744.19/x
  3. Step 3: Cross multiply
    140,104.64x = 193,394.27 × 82,744.19
  4. Step 4: Simplify right side
    140,104.64x = 16,002,250,841.10
  5. Step 5: Solve for x
    x = 16,002,250,841.10/140,104.64
  6. Step 6: Final answer
    x = 114,216.43

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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.