Home / 100,467.20-150,696.16-41,288.32

Finding the Fourth Proportional to 100,467.20, 150,696.16 and 41,288.32

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Solution

The fourth proportional to 100,467.20, 150,696.16 and 41,288.32 is: 61,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,467.20 : 150,696.16 = 41,288.32 : x
  2. Step 2: Convert to fraction form
    100,467.20/150,696.16 = 41,288.32/x
  3. Step 3: Cross multiply
    100,467.20x = 150,696.16 × 41,288.32
  4. Step 4: Simplify right side
    100,467.20x = 6,221,991,276.85
  5. Step 5: Solve for x
    x = 6,221,991,276.85/100,467.20
  6. Step 6: Final answer
    x = 61,930.57

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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.