Home / 193,573.20-290,222.52-75,144.72

Finding the Fourth Proportional to 193,573.20, 290,222.52 and 75,144.72

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Solution

The fourth proportional to 193,573.20, 290,222.52 and 75,144.72 is: 112,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,573.20 : 290,222.52 = 75,144.72 : x
  2. Step 2: Convert to fraction form
    193,573.20/290,222.52 = 75,144.72/x
  3. Step 3: Cross multiply
    193,573.20x = 290,222.52 × 75,144.72
  4. Step 4: Simplify right side
    193,573.20x = 21,808,690,003.09
  5. Step 5: Solve for x
    x = 21,808,690,003.09/193,573.20
  6. Step 6: Final answer
    x = 112,663.79

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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.