Home / 278,171.10-383,876.22-150,846.66

Finding the Fourth Proportional to 278,171.10, 383,876.22 and 150,846.66

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Solution

The fourth proportional to 278,171.10, 383,876.22 and 150,846.66 is: 208,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,171.10 : 383,876.22 = 150,846.66 : x
  2. Step 2: Convert to fraction form
    278,171.10/383,876.22 = 150,846.66/x
  3. Step 3: Cross multiply
    278,171.10x = 383,876.22 × 150,846.66
  4. Step 4: Simplify right side
    278,171.10x = 57,906,445,640.43
  5. Step 5: Solve for x
    x = 57,906,445,640.43/278,171.10
  6. Step 6: Final answer
    x = 208,168.45

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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.