Home / 188,435.08-260,028.18-107,863.24

Finding the Fourth Proportional to 188,435.08, 260,028.18 and 107,863.24

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Solution

The fourth proportional to 188,435.08, 260,028.18 and 107,863.24 is: 148,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,435.08 : 260,028.18 = 107,863.24 : x
  2. Step 2: Convert to fraction form
    188,435.08/260,028.18 = 107,863.24/x
  3. Step 3: Cross multiply
    188,435.08x = 260,028.18 × 107,863.24
  4. Step 4: Simplify right side
    188,435.08x = 28,047,481,986.10
  5. Step 5: Solve for x
    x = 28,047,481,986.10/188,435.08
  6. Step 6: Final answer
    x = 148,844.27

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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.