Home / 140,679.93-194,156.78-80,236.73

Finding the Fourth Proportional to 140,679.93, 194,156.78 and 80,236.73

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Solution

The fourth proportional to 140,679.93, 194,156.78 and 80,236.73 is: 110,737.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,679.93 : 194,156.78 = 80,236.73 : x
  2. Step 2: Convert to fraction form
    140,679.93/194,156.78 = 80,236.73/x
  3. Step 3: Cross multiply
    140,679.93x = 194,156.78 × 80,236.73
  4. Step 4: Simplify right side
    140,679.93x = 15,578,503,762.56
  5. Step 5: Solve for x
    x = 15,578,503,762.56/140,679.93
  6. Step 6: Final answer
    x = 110,737.22

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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.