Home / 168,825.26-232,868.32-100,789.11

Finding the Fourth Proportional to 168,825.26, 232,868.32 and 100,789.11

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Solution

The fourth proportional to 168,825.26, 232,868.32 and 100,789.11 is: 139,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,825.26 : 232,868.32 = 100,789.11 : x
  2. Step 2: Convert to fraction form
    168,825.26/232,868.32 = 100,789.11/x
  3. Step 3: Cross multiply
    168,825.26x = 232,868.32 × 100,789.11
  4. Step 4: Simplify right side
    168,825.26x = 23,470,590,468.02
  5. Step 5: Solve for x
    x = 23,470,590,468.02/168,825.26
  6. Step 6: Final answer
    x = 139,022.98

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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.