Home / 128,868.12-193,255.83-44,605.44

Finding the Fourth Proportional to 128,868.12, 193,255.83 and 44,605.44

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Solution

The fourth proportional to 128,868.12, 193,255.83 and 44,605.44 is: 66,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,868.12 : 193,255.83 = 44,605.44 : x
  2. Step 2: Convert to fraction form
    128,868.12/193,255.83 = 44,605.44/x
  3. Step 3: Cross multiply
    128,868.12x = 193,255.83 × 44,605.44
  4. Step 4: Simplify right side
    128,868.12x = 8,620,261,329.72
  5. Step 5: Solve for x
    x = 8,620,261,329.72/128,868.12
  6. Step 6: Final answer
    x = 66,892.12

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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.