Home / 278,396.58-384,188.33-151,072.19

Finding the Fourth Proportional to 278,396.58, 384,188.33 and 151,072.19

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Solution

The fourth proportional to 278,396.58, 384,188.33 and 151,072.19 is: 208,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,396.58 : 384,188.33 = 151,072.19 : x
  2. Step 2: Convert to fraction form
    278,396.58/384,188.33 = 151,072.19/x
  3. Step 3: Cross multiply
    278,396.58x = 384,188.33 × 151,072.19
  4. Step 4: Simplify right side
    278,396.58x = 58,040,172,385.54
  5. Step 5: Solve for x
    x = 58,040,172,385.54/278,396.58
  6. Step 6: Final answer
    x = 208,480.19

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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.