Home / 172,517.10-238,099.04-103,611.21

Finding the Fourth Proportional to 172,517.10, 238,099.04 and 103,611.21

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Solution

The fourth proportional to 172,517.10, 238,099.04 and 103,611.21 is: 142,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,517.10 : 238,099.04 = 103,611.21 : x
  2. Step 2: Convert to fraction form
    172,517.10/238,099.04 = 103,611.21/x
  3. Step 3: Cross multiply
    172,517.10x = 238,099.04 × 103,611.21
  4. Step 4: Simplify right side
    172,517.10x = 24,669,729,634.24
  5. Step 5: Solve for x
    x = 24,669,729,634.24/172,517.10
  6. Step 6: Final answer
    x = 142,998.75

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1.5x scale

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.