Home / 183,416.38-274,887.78-82,140.28

Finding the Fourth Proportional to 183,416.38, 274,887.78 and 82,140.28

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Solution

The fourth proportional to 183,416.38, 274,887.78 and 82,140.28 is: 123,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,416.38 : 274,887.78 = 82,140.28 : x
  2. Step 2: Convert to fraction form
    183,416.38/274,887.78 = 82,140.28/x
  3. Step 3: Cross multiply
    183,416.38x = 274,887.78 × 82,140.28
  4. Step 4: Simplify right side
    183,416.38x = 22,579,359,217.78
  5. Step 5: Solve for x
    x = 22,579,359,217.78/183,416.38
  6. Step 6: Final answer
    x = 123,104.38

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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.