Home / 278,107.24-383,784.42-150,782.44

Finding the Fourth Proportional to 278,107.24, 383,784.42 and 150,782.44

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Solution

The fourth proportional to 278,107.24, 383,784.42 and 150,782.44 is: 208,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,107.24 : 383,784.42 = 150,782.44 : x
  2. Step 2: Convert to fraction form
    278,107.24/383,784.42 = 150,782.44/x
  3. Step 3: Cross multiply
    278,107.24x = 383,784.42 × 150,782.44
  4. Step 4: Simplify right side
    278,107.24x = 57,867,951,281.58
  5. Step 5: Solve for x
    x = 57,867,951,281.58/278,107.24
  6. Step 6: Final answer
    x = 208,077.83

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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.