Home / 201,733.70-302,513.06-68,578.20

Finding the Fourth Proportional to 201,733.70, 302,513.06 and 68,578.20

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Solution

The fourth proportional to 201,733.70, 302,513.06 and 68,578.20 is: 102,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,733.70 : 302,513.06 = 68,578.20 : x
  2. Step 2: Convert to fraction form
    201,733.70/302,513.06 = 68,578.20/x
  3. Step 3: Cross multiply
    201,733.70x = 302,513.06 × 68,578.20
  4. Step 4: Simplify right side
    201,733.70x = 20,745,801,131.29
  5. Step 5: Solve for x
    x = 20,745,801,131.29/201,733.70
  6. Step 6: Final answer
    x = 102,837.56

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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.