Home / 278,917.83-384,907.14-151,593.12

Finding the Fourth Proportional to 278,917.83, 384,907.14 and 151,593.12

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Solution

The fourth proportional to 278,917.83, 384,907.14 and 151,593.12 is: 209,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,917.83 : 384,907.14 = 151,593.12 : x
  2. Step 2: Convert to fraction form
    278,917.83/384,907.14 = 151,593.12/x
  3. Step 3: Cross multiply
    278,917.83x = 384,907.14 × 151,593.12
  4. Step 4: Simplify right side
    278,917.83x = 58,349,274,262.88
  5. Step 5: Solve for x
    x = 58,349,274,262.88/278,917.83
  6. Step 6: Final answer
    x = 209,198.80

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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.