Home / 134,469.69-201,664.41-45,703

Finding the Fourth Proportional to 134,469.69, 201,664.41 and 45,703

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Solution

The fourth proportional to 134,469.69, 201,664.41 and 45,703 is: 68,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,469.69 : 201,664.41 = 45,703 : x
  2. Step 2: Convert to fraction form
    134,469.69/201,664.41 = 45,703/x
  3. Step 3: Cross multiply
    134,469.69x = 201,664.41 × 45,703
  4. Step 4: Simplify right side
    134,469.69x = 9,216,668,530.23
  5. Step 5: Solve for x
    x = 9,216,668,530.23/134,469.69
  6. Step 6: Final answer
    x = 68,540.86

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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.