Home / 193,668.25-290,437.05-73,696.72

Finding the Fourth Proportional to 193,668.25, 290,437.05 and 73,696.72

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Solution

The fourth proportional to 193,668.25, 290,437.05 and 73,696.72 is: 110,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,668.25 : 290,437.05 = 73,696.72 : x
  2. Step 2: Convert to fraction form
    193,668.25/290,437.05 = 73,696.72/x
  3. Step 3: Cross multiply
    193,668.25x = 290,437.05 × 73,696.72
  4. Step 4: Simplify right side
    193,668.25x = 21,404,257,951.48
  5. Step 5: Solve for x
    x = 21,404,257,951.48/193,668.25
  6. Step 6: Final answer
    x = 110,520.22

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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.