Home / 140,669.01-194,138.83-80,254.55

Finding the Fourth Proportional to 140,669.01, 194,138.83 and 80,254.55

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Solution

The fourth proportional to 140,669.01, 194,138.83 and 80,254.55 is: 110,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,669.01 : 194,138.83 = 80,254.55 : x
  2. Step 2: Convert to fraction form
    140,669.01/194,138.83 = 80,254.55/x
  3. Step 3: Cross multiply
    140,669.01x = 194,138.83 × 80,254.55
  4. Step 4: Simplify right side
    140,669.01x = 15,580,524,439.18
  5. Step 5: Solve for x
    x = 15,580,524,439.18/140,669.01
  6. Step 6: Final answer
    x = 110,760.18

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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.