Home / 183,945.69-253,850.13-103,380.57

Finding the Fourth Proportional to 183,945.69, 253,850.13 and 103,380.57

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Solution

The fourth proportional to 183,945.69, 253,850.13 and 103,380.57 is: 142,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,945.69 : 253,850.13 = 103,380.57 : x
  2. Step 2: Convert to fraction form
    183,945.69/253,850.13 = 103,380.57/x
  3. Step 3: Cross multiply
    183,945.69x = 253,850.13 × 103,380.57
  4. Step 4: Simplify right side
    183,945.69x = 26,243,171,133.97
  5. Step 5: Solve for x
    x = 26,243,171,133.97/183,945.69
  6. Step 6: Final answer
    x = 142,668.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.