Home / 201,926.42-302,889.63-68,738.12

Finding the Fourth Proportional to 201,926.42, 302,889.63 and 68,738.12

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Solution

The fourth proportional to 201,926.42, 302,889.63 and 68,738.12 is: 103,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,926.42 : 302,889.63 = 68,738.12 : x
  2. Step 2: Convert to fraction form
    201,926.42/302,889.63 = 68,738.12/x
  3. Step 3: Cross multiply
    201,926.42x = 302,889.63 × 68,738.12
  4. Step 4: Simplify right side
    201,926.42x = 20,820,063,733.70
  5. Step 5: Solve for x
    x = 20,820,063,733.70/201,926.42
  6. Step 6: Final answer
    x = 103,107.18

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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.