Home / 136,375.12-188,193.36-75,944.44

Finding the Fourth Proportional to 136,375.12, 188,193.36 and 75,944.44

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Solution

The fourth proportional to 136,375.12, 188,193.36 and 75,944.44 is: 104,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,375.12 : 188,193.36 = 75,944.44 : x
  2. Step 2: Convert to fraction form
    136,375.12/188,193.36 = 75,944.44/x
  3. Step 3: Cross multiply
    136,375.12x = 188,193.36 × 75,944.44
  4. Step 4: Simplify right side
    136,375.12x = 14,292,239,336.92
  5. Step 5: Solve for x
    x = 14,292,239,336.92/136,375.12
  6. Step 6: Final answer
    x = 104,800.93

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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.