Home / 144,603.36-199,571.45-80,954.37

Finding the Fourth Proportional to 144,603.36, 199,571.45 and 80,954.37

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Solution

The fourth proportional to 144,603.36, 199,571.45 and 80,954.37 is: 111,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,603.36 : 199,571.45 = 80,954.37 : x
  2. Step 2: Convert to fraction form
    144,603.36/199,571.45 = 80,954.37/x
  3. Step 3: Cross multiply
    144,603.36x = 199,571.45 × 80,954.37
  4. Step 4: Simplify right side
    144,603.36x = 16,156,180,599.96
  5. Step 5: Solve for x
    x = 16,156,180,599.96/144,603.36
  6. Step 6: Final answer
    x = 111,727.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.