Home / 278,033.87-383,676.44-150,706.73

Finding the Fourth Proportional to 278,033.87, 383,676.44 and 150,706.73

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Solution

The fourth proportional to 278,033.87, 383,676.44 and 150,706.73 is: 207,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,033.87 : 383,676.44 = 150,706.73 : x
  2. Step 2: Convert to fraction form
    278,033.87/383,676.44 = 150,706.73/x
  3. Step 3: Cross multiply
    278,033.87x = 383,676.44 × 150,706.73
  4. Step 4: Simplify right side
    278,033.87x = 57,822,618,978.53
  5. Step 5: Solve for x
    x = 57,822,618,978.53/278,033.87
  6. Step 6: Final answer
    x = 207,969.70

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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.