Home / 122,439.84-183,716.25-55,900.36

Finding the Fourth Proportional to 122,439.84, 183,716.25 and 55,900.36

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Solution

The fourth proportional to 122,439.84, 183,716.25 and 55,900.36 is: 83,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,439.84 : 183,716.25 = 55,900.36 : x
  2. Step 2: Convert to fraction form
    122,439.84/183,716.25 = 55,900.36/x
  3. Step 3: Cross multiply
    122,439.84x = 183,716.25 × 55,900.36
  4. Step 4: Simplify right side
    122,439.84x = 10,269,804,512.85
  5. Step 5: Solve for x
    x = 10,269,804,512.85/122,439.84
  6. Step 6: Final answer
    x = 83,876.33

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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.