Home / 183,540.33-274,984.61-76,689.06

Finding the Fourth Proportional to 183,540.33, 274,984.61 and 76,689.06

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Solution

The fourth proportional to 183,540.33, 274,984.61 and 76,689.06 is: 114,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,540.33 : 274,984.61 = 76,689.06 : x
  2. Step 2: Convert to fraction form
    183,540.33/274,984.61 = 76,689.06/x
  3. Step 3: Cross multiply
    183,540.33x = 274,984.61 × 76,689.06
  4. Step 4: Simplify right side
    183,540.33x = 21,088,311,387.52
  5. Step 5: Solve for x
    x = 21,088,311,387.52/183,540.33
  6. Step 6: Final answer
    x = 114,897.43

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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.