Home / 173,940.40-260,716.20-74,083.60

Finding the Fourth Proportional to 173,940.40, 260,716.20 and 74,083.60

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Solution

The fourth proportional to 173,940.40, 260,716.20 and 74,083.60 is: 111,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,940.40 : 260,716.20 = 74,083.60 : x
  2. Step 2: Convert to fraction form
    173,940.40/260,716.20 = 74,083.60/x
  3. Step 3: Cross multiply
    173,940.40x = 260,716.20 × 74,083.60
  4. Step 4: Simplify right side
    173,940.40x = 19,314,794,674.32
  5. Step 5: Solve for x
    x = 19,314,794,674.32/173,940.40
  6. Step 6: Final answer
    x = 111,042.60

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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.