Home / 192,650.05-288,975.48-103,945.33

Finding the Fourth Proportional to 192,650.05, 288,975.48 and 103,945.33

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Solution

The fourth proportional to 192,650.05, 288,975.48 and 103,945.33 is: 155,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,650.05 : 288,975.48 = 103,945.33 : x
  2. Step 2: Convert to fraction form
    192,650.05/288,975.48 = 103,945.33/x
  3. Step 3: Cross multiply
    192,650.05x = 288,975.48 × 103,945.33
  4. Step 4: Simplify right side
    192,650.05x = 30,037,651,630.51
  5. Step 5: Solve for x
    x = 30,037,651,630.51/192,650.05
  6. Step 6: Final answer
    x = 155,918.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.