Home / 201,734.10-302,513.58-68,578.56

Finding the Fourth Proportional to 201,734.10, 302,513.58 and 68,578.56

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Solution

The fourth proportional to 201,734.10, 302,513.58 and 68,578.56 is: 102,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,734.10 : 302,513.58 = 68,578.56 : x
  2. Step 2: Convert to fraction form
    201,734.10/302,513.58 = 68,578.56/x
  3. Step 3: Cross multiply
    201,734.10x = 302,513.58 × 68,578.56
  4. Step 4: Simplify right side
    201,734.10x = 20,745,945,696.84
  5. Step 5: Solve for x
    x = 20,745,945,696.84/201,734.10
  6. Step 6: Final answer
    x = 102,838.07

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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.