Home / 187,481.96-281,224.02-76,673.96

Finding the Fourth Proportional to 187,481.96, 281,224.02 and 76,673.96

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Solution

The fourth proportional to 187,481.96, 281,224.02 and 76,673.96 is: 115,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,481.96 : 281,224.02 = 76,673.96 : x
  2. Step 2: Convert to fraction form
    187,481.96/281,224.02 = 76,673.96/x
  3. Step 3: Cross multiply
    187,481.96x = 281,224.02 × 76,673.96
  4. Step 4: Simplify right side
    187,481.96x = 21,562,559,260.52
  5. Step 5: Solve for x
    x = 21,562,559,260.52/187,481.96
  6. Step 6: Final answer
    x = 115,011.38

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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.