Home / 188,783.43-260,532.75-108,223.06

Finding the Fourth Proportional to 188,783.43, 260,532.75 and 108,223.06

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Solution

The fourth proportional to 188,783.43, 260,532.75 and 108,223.06 is: 149,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,783.43 : 260,532.75 = 108,223.06 : x
  2. Step 2: Convert to fraction form
    188,783.43/260,532.75 = 108,223.06/x
  3. Step 3: Cross multiply
    188,783.43x = 260,532.75 × 108,223.06
  4. Step 4: Simplify right side
    188,783.43x = 28,195,651,435.22
  5. Step 5: Solve for x
    x = 28,195,651,435.22/188,783.43
  6. Step 6: Final answer
    x = 149,354.48

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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.