Home / 258,360.75-356,571.27-145,183.50

Finding the Fourth Proportional to 258,360.75, 356,571.27 and 145,183.50

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Solution

The fourth proportional to 258,360.75, 356,571.27 and 145,183.50 is: 200,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,360.75 : 356,571.27 = 145,183.50 : x
  2. Step 2: Convert to fraction form
    258,360.75/356,571.27 = 145,183.50/x
  3. Step 3: Cross multiply
    258,360.75x = 356,571.27 × 145,183.50
  4. Step 4: Simplify right side
    258,360.75x = 51,768,264,978.05
  5. Step 5: Solve for x
    x = 51,768,264,978.05/258,360.75
  6. Step 6: Final answer
    x = 200,372.02

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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.