Home / 193,326.60-290,102.80-80,997.22

Finding the Fourth Proportional to 193,326.60, 290,102.80 and 80,997.22

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Solution

The fourth proportional to 193,326.60, 290,102.80 and 80,997.22 is: 121,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,326.60 : 290,102.80 = 80,997.22 : x
  2. Step 2: Convert to fraction form
    193,326.60/290,102.80 = 80,997.22/x
  3. Step 3: Cross multiply
    193,326.60x = 290,102.80 × 80,997.22
  4. Step 4: Simplify right side
    193,326.60x = 23,497,520,314.22
  5. Step 5: Solve for x
    x = 23,497,520,314.22/193,326.60
  6. Step 6: Final answer
    x = 121,543.13

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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.