Home / 140,735.71-194,215.58-76,205.65

Finding the Fourth Proportional to 140,735.71, 194,215.58 and 76,205.65

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Solution

The fourth proportional to 140,735.71, 194,215.58 and 76,205.65 is: 105,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,735.71 : 194,215.58 = 76,205.65 : x
  2. Step 2: Convert to fraction form
    140,735.71/194,215.58 = 76,205.65/x
  3. Step 3: Cross multiply
    140,735.71x = 194,215.58 × 76,205.65
  4. Step 4: Simplify right side
    140,735.71x = 14,800,324,514.03
  5. Step 5: Solve for x
    x = 14,800,324,514.03/140,735.71
  6. Step 6: Final answer
    x = 105,163.96

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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.