Home / 187,825.55-259,161.05-111,310.98

Finding the Fourth Proportional to 187,825.55, 259,161.05 and 111,310.98

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Solution

The fourth proportional to 187,825.55, 259,161.05 and 111,310.98 is: 153,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,825.55 : 259,161.05 = 111,310.98 : x
  2. Step 2: Convert to fraction form
    187,825.55/259,161.05 = 111,310.98/x
  3. Step 3: Cross multiply
    187,825.55x = 259,161.05 × 111,310.98
  4. Step 4: Simplify right side
    187,825.55x = 28,847,469,759.75
  5. Step 5: Solve for x
    x = 28,847,469,759.75/187,825.55
  6. Step 6: Final answer
    x = 153,586.51

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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.