Home / 182,118.79-273,112.57-76,945.96

Finding the Fourth Proportional to 182,118.79, 273,112.57 and 76,945.96

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Solution

The fourth proportional to 182,118.79, 273,112.57 and 76,945.96 is: 115,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,118.79 : 273,112.57 = 76,945.96 : x
  2. Step 2: Convert to fraction form
    182,118.79/273,112.57 = 76,945.96/x
  3. Step 3: Cross multiply
    182,118.79x = 273,112.57 × 76,945.96
  4. Step 4: Simplify right side
    182,118.79x = 21,014,909,324.29
  5. Step 5: Solve for x
    x = 21,014,909,324.29/182,118.79
  6. Step 6: Final answer
    x = 115,391.22

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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.