Home / 140,655.82-194,107.17-76,999.54

Finding the Fourth Proportional to 140,655.82, 194,107.17 and 76,999.54

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Solution

The fourth proportional to 140,655.82, 194,107.17 and 76,999.54 is: 106,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,655.82 : 194,107.17 = 76,999.54 : x
  2. Step 2: Convert to fraction form
    140,655.82/194,107.17 = 76,999.54/x
  3. Step 3: Cross multiply
    140,655.82x = 194,107.17 × 76,999.54
  4. Step 4: Simplify right side
    140,655.82x = 14,946,162,800.70
  5. Step 5: Solve for x
    x = 14,946,162,800.70/140,655.82
  6. Step 6: Final answer
    x = 106,260.54

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1.5x scale

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.