Home / 140,604.01-194,033.55-76,941.81

Finding the Fourth Proportional to 140,604.01, 194,033.55 and 76,941.81

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Solution

The fourth proportional to 140,604.01, 194,033.55 and 76,941.81 is: 106,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,604.01 : 194,033.55 = 76,941.81 : x
  2. Step 2: Convert to fraction form
    140,604.01/194,033.55 = 76,941.81/x
  3. Step 3: Cross multiply
    140,604.01x = 194,033.55 × 76,941.81
  4. Step 4: Simplify right side
    140,604.01x = 14,929,292,537.73
  5. Step 5: Solve for x
    x = 14,929,292,537.73/140,604.01
  6. Step 6: Final answer
    x = 106,179.71

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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.