Home / 122,811.18-183,517.54-92,216.84

Finding the Fourth Proportional to 122,811.18, 183,517.54 and 92,216.84

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Solution

The fourth proportional to 122,811.18, 183,517.54 and 92,216.84 is: 137,800.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,811.18 : 183,517.54 = 92,216.84 : x
  2. Step 2: Convert to fraction form
    122,811.18/183,517.54 = 92,216.84/x
  3. Step 3: Cross multiply
    122,811.18x = 183,517.54 × 92,216.84
  4. Step 4: Simplify right side
    122,811.18x = 16,923,407,623.37
  5. Step 5: Solve for x
    x = 16,923,407,623.37/122,811.18
  6. Step 6: Final answer
    x = 137,800.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.