Home / 275,010.53-379,532.07-154,151.85

Finding the Fourth Proportional to 275,010.53, 379,532.07 and 154,151.85

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Solution

The fourth proportional to 275,010.53, 379,532.07 and 154,151.85 is: 212,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,010.53 : 379,532.07 = 154,151.85 : x
  2. Step 2: Convert to fraction form
    275,010.53/379,532.07 = 154,151.85/x
  3. Step 3: Cross multiply
    275,010.53x = 379,532.07 × 154,151.85
  4. Step 4: Simplify right side
    275,010.53x = 58,505,570,724.83
  5. Step 5: Solve for x
    x = 58,505,570,724.83/275,010.53
  6. Step 6: Final answer
    x = 212,739.38

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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.