Home / 278,160.73-383,864.21-150,836.33

Finding the Fourth Proportional to 278,160.73, 383,864.21 and 150,836.33

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Solution

The fourth proportional to 278,160.73, 383,864.21 and 150,836.33 is: 208,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,160.73 : 383,864.21 = 150,836.33 : x
  2. Step 2: Convert to fraction form
    278,160.73/383,864.21 = 150,836.33/x
  3. Step 3: Cross multiply
    278,160.73x = 383,864.21 × 150,836.33
  4. Step 4: Simplify right side
    278,160.73x = 57,900,668,115.08
  5. Step 5: Solve for x
    x = 57,900,668,115.08/278,160.73
  6. Step 6: Final answer
    x = 208,155.43

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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.