Home / 193,820.75-290,736.59-53,579.37

Finding the Fourth Proportional to 193,820.75, 290,736.59 and 53,579.37

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Solution

The fourth proportional to 193,820.75, 290,736.59 and 53,579.37 is: 80,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,820.75 : 290,736.59 = 53,579.37 : x
  2. Step 2: Convert to fraction form
    193,820.75/290,736.59 = 53,579.37/x
  3. Step 3: Cross multiply
    193,820.75x = 290,736.59 × 53,579.37
  4. Step 4: Simplify right side
    193,820.75x = 15,577,484,451.90
  5. Step 5: Solve for x
    x = 15,577,484,451.90/193,820.75
  6. Step 6: Final answer
    x = 80,370.57

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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.