Home / 188,550.78-260,201.04-103,673.30

Finding the Fourth Proportional to 188,550.78, 260,201.04 and 103,673.30

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Solution

The fourth proportional to 188,550.78, 260,201.04 and 103,673.30 is: 143,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,550.78 : 260,201.04 = 103,673.30 : x
  2. Step 2: Convert to fraction form
    188,550.78/260,201.04 = 103,673.30/x
  3. Step 3: Cross multiply
    188,550.78x = 260,201.04 × 103,673.30
  4. Step 4: Simplify right side
    188,550.78x = 26,975,900,480.23
  5. Step 5: Solve for x
    x = 26,975,900,480.23/188,550.78
  6. Step 6: Final answer
    x = 143,069.68

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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.