Home / 451,203.42-676,771.30-131,357.75

Finding the Fourth Proportional to 451,203.42, 676,771.30 and 131,357.75

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Solution

The fourth proportional to 451,203.42, 676,771.30 and 131,357.75 is: 197,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,203.42 : 676,771.30 = 131,357.75 : x
  2. Step 2: Convert to fraction form
    451,203.42/676,771.30 = 131,357.75/x
  3. Step 3: Cross multiply
    451,203.42x = 676,771.30 × 131,357.75
  4. Step 4: Simplify right side
    451,203.42x = 88,899,151,520.32
  5. Step 5: Solve for x
    x = 88,899,151,520.32/451,203.42
  6. Step 6: Final answer
    x = 197,026.77

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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.