Home / 126,172.36-188,690.46-112,214.44

Finding the Fourth Proportional to 126,172.36, 188,690.46 and 112,214.44

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Solution

The fourth proportional to 126,172.36, 188,690.46 and 112,214.44 is: 167,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,172.36 : 188,690.46 = 112,214.44 : x
  2. Step 2: Convert to fraction form
    126,172.36/188,690.46 = 112,214.44/x
  3. Step 3: Cross multiply
    126,172.36x = 188,690.46 × 112,214.44
  4. Step 4: Simplify right side
    126,172.36x = 21,173,794,302.24
  5. Step 5: Solve for x
    x = 21,173,794,302.24/126,172.36
  6. Step 6: Final answer
    x = 167,816.42

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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.