Home / 173,129.45-238,912.36-108,633.44

Finding the Fourth Proportional to 173,129.45, 238,912.36 and 108,633.44

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Solution

The fourth proportional to 173,129.45, 238,912.36 and 108,633.44 is: 149,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,129.45 : 238,912.36 = 108,633.44 : x
  2. Step 2: Convert to fraction form
    173,129.45/238,912.36 = 108,633.44/x
  3. Step 3: Cross multiply
    173,129.45x = 238,912.36 × 108,633.44
  4. Step 4: Simplify right side
    173,129.45x = 25,953,871,851.02
  5. Step 5: Solve for x
    x = 25,953,871,851.02/173,129.45
  6. Step 6: Final answer
    x = 149,910.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.