Home / 188,516.48-260,163.84-103,633.28

Finding the Fourth Proportional to 188,516.48, 260,163.84 and 103,633.28

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Solution

The fourth proportional to 188,516.48, 260,163.84 and 103,633.28 is: 143,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,516.48 : 260,163.84 = 103,633.28 : x
  2. Step 2: Convert to fraction form
    188,516.48/260,163.84 = 103,633.28/x
  3. Step 3: Cross multiply
    188,516.48x = 260,163.84 × 103,633.28
  4. Step 4: Simplify right side
    188,516.48x = 26,961,632,076.60
  5. Step 5: Solve for x
    x = 26,961,632,076.60/188,516.48
  6. Step 6: Final answer
    x = 143,020.03

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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.