Home / 122,600.45-183,991.94-91,083.89

Finding the Fourth Proportional to 122,600.45, 183,991.94 and 91,083.89

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Solution

The fourth proportional to 122,600.45, 183,991.94 and 91,083.89 is: 136,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,600.45 : 183,991.94 = 91,083.89 : x
  2. Step 2: Convert to fraction form
    122,600.45/183,991.94 = 91,083.89/x
  3. Step 3: Cross multiply
    122,600.45x = 183,991.94 × 91,083.89
  4. Step 4: Simplify right side
    122,600.45x = 16,758,701,168.43
  5. Step 5: Solve for x
    x = 16,758,701,168.43/122,600.45
  6. Step 6: Final answer
    x = 136,693.64

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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.