Home / 300,716.60-451,074.36-132,196.64

Finding the Fourth Proportional to 300,716.60, 451,074.36 and 132,196.64

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Solution

The fourth proportional to 300,716.60, 451,074.36 and 132,196.64 is: 198,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,716.60 : 451,074.36 = 132,196.64 : x
  2. Step 2: Convert to fraction form
    300,716.60/451,074.36 = 132,196.64/x
  3. Step 3: Cross multiply
    300,716.60x = 451,074.36 × 132,196.64
  4. Step 4: Simplify right side
    300,716.60x = 59,630,514,782.15
  5. Step 5: Solve for x
    x = 59,630,514,782.15/300,716.60
  6. Step 6: Final answer
    x = 198,294.72

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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.