Home / 301,147.20-451,648.80-174,513.60

Finding the Fourth Proportional to 301,147.20, 451,648.80 and 174,513.60

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Solution

The fourth proportional to 301,147.20, 451,648.80 and 174,513.60 is: 261,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,147.20 : 451,648.80 = 174,513.60 : x
  2. Step 2: Convert to fraction form
    301,147.20/451,648.80 = 174,513.60/x
  3. Step 3: Cross multiply
    301,147.20x = 451,648.80 × 174,513.60
  4. Step 4: Simplify right side
    301,147.20x = 78,818,858,023.68
  5. Step 5: Solve for x
    x = 78,818,858,023.68/301,147.20
  6. Step 6: Final answer
    x = 261,728.68

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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.