Home / 451,842.40-677,544.72-136,240.48

Finding the Fourth Proportional to 451,842.40, 677,544.72 and 136,240.48

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Solution

The fourth proportional to 451,842.40, 677,544.72 and 136,240.48 is: 204,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,842.40 : 677,544.72 = 136,240.48 : x
  2. Step 2: Convert to fraction form
    451,842.40/677,544.72 = 136,240.48/x
  3. Step 3: Cross multiply
    451,842.40x = 677,544.72 × 136,240.48
  4. Step 4: Simplify right side
    451,842.40x = 92,309,017,874.27
  5. Step 5: Solve for x
    x = 92,309,017,874.27/451,842.40
  6. Step 6: Final answer
    x = 204,294.72

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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.