Home / 451,764.72-677,647.08-136,204.92

Finding the Fourth Proportional to 451,764.72, 677,647.08 and 136,204.92

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Solution

The fourth proportional to 451,764.72, 677,647.08 and 136,204.92 is: 204,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,764.72 : 677,647.08 = 136,204.92 : x
  2. Step 2: Convert to fraction form
    451,764.72/677,647.08 = 136,204.92/x
  3. Step 3: Cross multiply
    451,764.72x = 677,647.08 × 136,204.92
  4. Step 4: Simplify right side
    451,764.72x = 92,298,866,319.63
  5. Step 5: Solve for x
    x = 92,298,866,319.63/451,764.72
  6. Step 6: Final answer
    x = 204,307.38

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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.