Home / 318,183.20-439,086.72-174,941.84

Finding the Fourth Proportional to 318,183.20, 439,086.72 and 174,941.84

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Solution

The fourth proportional to 318,183.20, 439,086.72 and 174,941.84 is: 241,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,183.20 : 439,086.72 = 174,941.84 : x
  2. Step 2: Convert to fraction form
    318,183.20/439,086.72 = 174,941.84/x
  3. Step 3: Cross multiply
    318,183.20x = 439,086.72 × 174,941.84
  4. Step 4: Simplify right side
    318,183.20x = 76,814,638,716.36
  5. Step 5: Solve for x
    x = 76,814,638,716.36/318,183.20
  6. Step 6: Final answer
    x = 241,416.39

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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.