Home / 193,558.10-290,373.87-67,193.42

Finding the Fourth Proportional to 193,558.10, 290,373.87 and 67,193.42

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Solution

The fourth proportional to 193,558.10, 290,373.87 and 67,193.42 is: 100,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,558.10 : 290,373.87 = 67,193.42 : x
  2. Step 2: Convert to fraction form
    193,558.10/290,373.87 = 67,193.42/x
  3. Step 3: Cross multiply
    193,558.10x = 290,373.87 × 67,193.42
  4. Step 4: Simplify right side
    193,558.10x = 19,511,213,403.94
  5. Step 5: Solve for x
    x = 19,511,213,403.94/193,558.10
  6. Step 6: Final answer
    x = 100,802.88

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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.