Home / 451,659.54-677,488.86-136,116.45

Finding the Fourth Proportional to 451,659.54, 677,488.86 and 136,116.45

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Solution

The fourth proportional to 451,659.54, 677,488.86 and 136,116.45 is: 204,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,659.54 : 677,488.86 = 136,116.45 : x
  2. Step 2: Convert to fraction form
    451,659.54/677,488.86 = 136,116.45/x
  3. Step 3: Cross multiply
    451,659.54x = 677,488.86 × 136,116.45
  4. Step 4: Simplify right side
    451,659.54x = 92,217,378,537.75
  5. Step 5: Solve for x
    x = 92,217,378,537.75/451,659.54
  6. Step 6: Final answer
    x = 204,174.54

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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.