Home / 193,467.06-290,142.27-68,800.50

Finding the Fourth Proportional to 193,467.06, 290,142.27 and 68,800.50

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Solution

The fourth proportional to 193,467.06, 290,142.27 and 68,800.50 is: 103,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,467.06 : 290,142.27 = 68,800.50 : x
  2. Step 2: Convert to fraction form
    193,467.06/290,142.27 = 68,800.50/x
  3. Step 3: Cross multiply
    193,467.06x = 290,142.27 × 68,800.50
  4. Step 4: Simplify right side
    193,467.06x = 19,961,933,247.14
  5. Step 5: Solve for x
    x = 19,961,933,247.14/193,467.06
  6. Step 6: Final answer
    x = 103,180.01

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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.