Home / 193,561.74-290,276.94-67,168.62

Finding the Fourth Proportional to 193,561.74, 290,276.94 and 67,168.62

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Solution

The fourth proportional to 193,561.74, 290,276.94 and 67,168.62 is: 100,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,561.74 : 290,276.94 = 67,168.62 : x
  2. Step 2: Convert to fraction form
    193,561.74/290,276.94 = 67,168.62/x
  3. Step 3: Cross multiply
    193,561.74x = 290,276.94 × 67,168.62
  4. Step 4: Simplify right side
    193,561.74x = 19,497,501,477.62
  5. Step 5: Solve for x
    x = 19,497,501,477.62/193,561.74
  6. Step 6: Final answer
    x = 100,730.14

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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.