Home / 137,941.44-190,192.20-107,323.44

Finding the Fourth Proportional to 137,941.44, 190,192.20 and 107,323.44

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Solution

The fourth proportional to 137,941.44, 190,192.20 and 107,323.44 is: 147,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,941.44 : 190,192.20 = 107,323.44 : x
  2. Step 2: Convert to fraction form
    137,941.44/190,192.20 = 107,323.44/x
  3. Step 3: Cross multiply
    137,941.44x = 190,192.20 × 107,323.44
  4. Step 4: Simplify right side
    137,941.44x = 20,412,081,165.17
  5. Step 5: Solve for x
    x = 20,412,081,165.17/137,941.44
  6. Step 6: Final answer
    x = 147,976.43

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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.