Home / 192,766.81-288,821.19-136,513.46

Finding the Fourth Proportional to 192,766.81, 288,821.19 and 136,513.46

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Solution

The fourth proportional to 192,766.81, 288,821.19 and 136,513.46 is: 204,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,766.81 : 288,821.19 = 136,513.46 : x
  2. Step 2: Convert to fraction form
    192,766.81/288,821.19 = 136,513.46/x
  3. Step 3: Cross multiply
    192,766.81x = 288,821.19 × 136,513.46
  4. Step 4: Simplify right side
    192,766.81x = 39,427,979,968.22
  5. Step 5: Solve for x
    x = 39,427,979,968.22/192,766.81
  6. Step 6: Final answer
    x = 204,537.18

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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.