Home / 170,198.95-255,180.21-75,377.46

Finding the Fourth Proportional to 170,198.95, 255,180.21 and 75,377.46

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Solution

The fourth proportional to 170,198.95, 255,180.21 and 75,377.46 is: 113,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,198.95 : 255,180.21 = 75,377.46 : x
  2. Step 2: Convert to fraction form
    170,198.95/255,180.21 = 75,377.46/x
  3. Step 3: Cross multiply
    170,198.95x = 255,180.21 × 75,377.46
  4. Step 4: Simplify right side
    170,198.95x = 19,234,836,072.07
  5. Step 5: Solve for x
    x = 19,234,836,072.07/170,198.95
  6. Step 6: Final answer
    x = 113,013.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.