Home / 123,190.20-183,894.27-108,243.44

Finding the Fourth Proportional to 123,190.20, 183,894.27 and 108,243.44

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Solution

The fourth proportional to 123,190.20, 183,894.27 and 108,243.44 is: 161,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,190.20 : 183,894.27 = 108,243.44 : x
  2. Step 2: Convert to fraction form
    123,190.20/183,894.27 = 108,243.44/x
  3. Step 3: Cross multiply
    123,190.20x = 183,894.27 × 108,243.44
  4. Step 4: Simplify right side
    123,190.20x = 19,905,347,745.31
  5. Step 5: Solve for x
    x = 19,905,347,745.31/123,190.20
  6. Step 6: Final answer
    x = 161,582.23

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1.5x scale

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.