Home / 128,554.20-192,854.70-44,326.44

Finding the Fourth Proportional to 128,554.20, 192,854.70 and 44,326.44

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Solution

The fourth proportional to 128,554.20, 192,854.70 and 44,326.44 is: 66,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,554.20 : 192,854.70 = 44,326.44 : x
  2. Step 2: Convert to fraction form
    128,554.20/192,854.70 = 44,326.44/x
  3. Step 3: Cross multiply
    128,554.20x = 192,854.70 × 44,326.44
  4. Step 4: Simplify right side
    128,554.20x = 8,548,562,288.27
  5. Step 5: Solve for x
    x = 8,548,562,288.27/128,554.20
  6. Step 6: Final answer
    x = 66,497.73

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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.