Home / 122,168.54-183,454.35-82,442.75

Finding the Fourth Proportional to 122,168.54, 183,454.35 and 82,442.75

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Solution

The fourth proportional to 122,168.54, 183,454.35 and 82,442.75 is: 123,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,168.54 : 183,454.35 = 82,442.75 : x
  2. Step 2: Convert to fraction form
    122,168.54/183,454.35 = 82,442.75/x
  3. Step 3: Cross multiply
    122,168.54x = 183,454.35 × 82,442.75
  4. Step 4: Simplify right side
    122,168.54x = 15,124,481,382.70
  5. Step 5: Solve for x
    x = 15,124,481,382.70/122,168.54
  6. Step 6: Final answer
    x = 123,800.13

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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.