Home / 231,441.35-347,162.85-81,600.26

Finding the Fourth Proportional to 231,441.35, 347,162.85 and 81,600.26

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Solution

The fourth proportional to 231,441.35, 347,162.85 and 81,600.26 is: 122,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,441.35 : 347,162.85 = 81,600.26 : x
  2. Step 2: Convert to fraction form
    231,441.35/347,162.85 = 81,600.26/x
  3. Step 3: Cross multiply
    231,441.35x = 347,162.85 × 81,600.26
  4. Step 4: Simplify right side
    231,441.35x = 28,328,577,086.53
  5. Step 5: Solve for x
    x = 28,328,577,086.53/231,441.35
  6. Step 6: Final answer
    x = 122,400.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.