Home / 278,943.90-384,934.97-158,096.41

Finding the Fourth Proportional to 278,943.90, 384,934.97 and 158,096.41

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Solution

The fourth proportional to 278,943.90, 384,934.97 and 158,096.41 is: 218,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,943.90 : 384,934.97 = 158,096.41 : x
  2. Step 2: Convert to fraction form
    278,943.90/384,934.97 = 158,096.41/x
  3. Step 3: Cross multiply
    278,943.90x = 384,934.97 × 158,096.41
  4. Step 4: Simplify right side
    278,943.90x = 60,856,836,273.36
  5. Step 5: Solve for x
    x = 60,856,836,273.36/278,943.90
  6. Step 6: Final answer
    x = 218,168.73

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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.