Home / 201,632.97-302,238.43-75,222.34

Finding the Fourth Proportional to 201,632.97, 302,238.43 and 75,222.34

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Solution

The fourth proportional to 201,632.97, 302,238.43 and 75,222.34 is: 112,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,632.97 : 302,238.43 = 75,222.34 : x
  2. Step 2: Convert to fraction form
    201,632.97/302,238.43 = 75,222.34/x
  3. Step 3: Cross multiply
    201,632.97x = 302,238.43 × 75,222.34
  4. Step 4: Simplify right side
    201,632.97x = 22,735,081,942.53
  5. Step 5: Solve for x
    x = 22,735,081,942.53/201,632.97
  6. Step 6: Final answer
    x = 112,754.78

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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.