Home / 193,822.20-290,755.71-51,669.36

Finding the Fourth Proportional to 193,822.20, 290,755.71 and 51,669.36

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Solution

The fourth proportional to 193,822.20, 290,755.71 and 51,669.36 is: 77,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,822.20 : 290,755.71 = 51,669.36 : x
  2. Step 2: Convert to fraction form
    193,822.20/290,755.71 = 51,669.36/x
  3. Step 3: Cross multiply
    193,822.20x = 290,755.71 × 51,669.36
  4. Step 4: Simplify right side
    193,822.20x = 15,023,161,452.05
  5. Step 5: Solve for x
    x = 15,023,161,452.05/193,822.20
  6. Step 6: Final answer
    x = 77,510.01

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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.