Home / 278,019.36-383,668.11-150,693.84

Finding the Fourth Proportional to 278,019.36, 383,668.11 and 150,693.84

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Solution

The fourth proportional to 278,019.36, 383,668.11 and 150,693.84 is: 207,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,019.36 : 383,668.11 = 150,693.84 : x
  2. Step 2: Convert to fraction form
    278,019.36/383,668.11 = 150,693.84/x
  3. Step 3: Cross multiply
    278,019.36x = 383,668.11 × 150,693.84
  4. Step 4: Simplify right side
    278,019.36x = 57,816,420,781.44
  5. Step 5: Solve for x
    x = 57,816,420,781.44/278,019.36
  6. Step 6: Final answer
    x = 207,958.25

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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.