Home / 318,147.43-439,039.52-174,906.22

Finding the Fourth Proportional to 318,147.43, 439,039.52 and 174,906.22

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Solution

The fourth proportional to 318,147.43, 439,039.52 and 174,906.22 is: 241,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,147.43 : 439,039.52 = 174,906.22 : x
  2. Step 2: Convert to fraction form
    318,147.43/439,039.52 = 174,906.22/x
  3. Step 3: Cross multiply
    318,147.43x = 439,039.52 × 174,906.22
  4. Step 4: Simplify right side
    318,147.43x = 76,790,741,888.86
  5. Step 5: Solve for x
    x = 76,790,741,888.86/318,147.43
  6. Step 6: Final answer
    x = 241,368.42

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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.