Home / 133,028.92-183,583.77-72,603.44

Finding the Fourth Proportional to 133,028.92, 183,583.77 and 72,603.44

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Solution

The fourth proportional to 133,028.92, 183,583.77 and 72,603.44 is: 100,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.92 : 183,583.77 = 72,603.44 : x
  2. Step 2: Convert to fraction form
    133,028.92/183,583.77 = 72,603.44/x
  3. Step 3: Cross multiply
    133,028.92x = 183,583.77 × 72,603.44
  4. Step 4: Simplify right side
    133,028.92x = 13,328,813,230.17
  5. Step 5: Solve for x
    x = 13,328,813,230.17/133,028.92
  6. Step 6: Final answer
    x = 100,194.85

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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.