Home / 188,749.43-260,485.43-108,182.13

Finding the Fourth Proportional to 188,749.43, 260,485.43 and 108,182.13

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Solution

The fourth proportional to 188,749.43, 260,485.43 and 108,182.13 is: 149,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,749.43 : 260,485.43 = 108,182.13 : x
  2. Step 2: Convert to fraction form
    188,749.43/260,485.43 = 108,182.13/x
  3. Step 3: Cross multiply
    188,749.43x = 260,485.43 × 108,182.13
  4. Step 4: Simplify right side
    188,749.43x = 28,179,869,207.39
  5. Step 5: Solve for x
    x = 28,179,869,207.39/188,749.43
  6. Step 6: Final answer
    x = 149,297.77

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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.