Home / 193,763.24-290,700.44-81,385.66

Finding the Fourth Proportional to 193,763.24, 290,700.44 and 81,385.66

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Solution

The fourth proportional to 193,763.24, 290,700.44 and 81,385.66 is: 122,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,763.24 : 290,700.44 = 81,385.66 : x
  2. Step 2: Convert to fraction form
    193,763.24/290,700.44 = 81,385.66/x
  3. Step 3: Cross multiply
    193,763.24x = 290,700.44 × 81,385.66
  4. Step 4: Simplify right side
    193,763.24x = 23,658,847,171.69
  5. Step 5: Solve for x
    x = 23,658,847,171.69/193,763.24
  6. Step 6: Final answer
    x = 122,101.84

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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.