Home / 188,336.08-259,788.69-111,803.23

Finding the Fourth Proportional to 188,336.08, 259,788.69 and 111,803.23

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Solution

The fourth proportional to 188,336.08, 259,788.69 and 111,803.23 is: 154,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,336.08 : 259,788.69 = 111,803.23 : x
  2. Step 2: Convert to fraction form
    188,336.08/259,788.69 = 111,803.23/x
  3. Step 3: Cross multiply
    188,336.08x = 259,788.69 × 111,803.23
  4. Step 4: Simplify right side
    188,336.08x = 29,045,214,659.47
  5. Step 5: Solve for x
    x = 29,045,214,659.47/188,336.08
  6. Step 6: Final answer
    x = 154,220.13

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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.