Home / 193,872.45-290,822.49-51,716.91

Finding the Fourth Proportional to 193,872.45, 290,822.49 and 51,716.91

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Solution

The fourth proportional to 193,872.45, 290,822.49 and 51,716.91 is: 77,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,872.45 : 290,822.49 = 51,716.91 : x
  2. Step 2: Convert to fraction form
    193,872.45/290,822.49 = 51,716.91/x
  3. Step 3: Cross multiply
    193,872.45x = 290,822.49 × 51,716.91
  4. Step 4: Simplify right side
    193,872.45x = 15,040,440,541.31
  5. Step 5: Solve for x
    x = 15,040,440,541.31/193,872.45
  6. Step 6: Final answer
    x = 77,579.05

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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.