Home / 128,257.76-192,368.56-44,016.44

Finding the Fourth Proportional to 128,257.76, 192,368.56 and 44,016.44

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Solution

The fourth proportional to 128,257.76, 192,368.56 and 44,016.44 is: 66,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,257.76 : 192,368.56 = 44,016.44 : x
  2. Step 2: Convert to fraction form
    128,257.76/192,368.56 = 44,016.44/x
  3. Step 3: Cross multiply
    128,257.76x = 192,368.56 × 44,016.44
  4. Step 4: Simplify right side
    128,257.76x = 8,467,379,179.13
  5. Step 5: Solve for x
    x = 8,467,379,179.13/128,257.76
  6. Step 6: Final answer
    x = 66,018.46

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1.5x scale

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.