Home / 140,581.70-194,004.15-76,922.18

Finding the Fourth Proportional to 140,581.70, 194,004.15 and 76,922.18

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Solution

The fourth proportional to 140,581.70, 194,004.15 and 76,922.18 is: 106,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,581.70 : 194,004.15 = 76,922.18 : x
  2. Step 2: Convert to fraction form
    140,581.70/194,004.15 = 76,922.18/x
  3. Step 3: Cross multiply
    140,581.70x = 194,004.15 × 76,922.18
  4. Step 4: Simplify right side
    140,581.70x = 14,923,222,147.05
  5. Step 5: Solve for x
    x = 14,923,222,147.05/140,581.70
  6. Step 6: Final answer
    x = 106,153.38

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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.