Home / 140,760.04-194,225.70-80,330.80

Finding the Fourth Proportional to 140,760.04, 194,225.70 and 80,330.80

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Solution

The fourth proportional to 140,760.04, 194,225.70 and 80,330.80 is: 110,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,760.04 : 194,225.70 = 80,330.80 : x
  2. Step 2: Convert to fraction form
    140,760.04/194,225.70 = 80,330.80/x
  3. Step 3: Cross multiply
    140,760.04x = 194,225.70 × 80,330.80
  4. Step 4: Simplify right side
    140,760.04x = 15,602,305,861.56
  5. Step 5: Solve for x
    x = 15,602,305,861.56/140,760.04
  6. Step 6: Final answer
    x = 110,843.29

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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.