Home / 193,403.57-290,039.66-67,014.32

Finding the Fourth Proportional to 193,403.57, 290,039.66 and 67,014.32

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Solution

The fourth proportional to 193,403.57, 290,039.66 and 67,014.32 is: 100,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,403.57 : 290,039.66 = 67,014.32 : x
  2. Step 2: Convert to fraction form
    193,403.57/290,039.66 = 67,014.32/x
  3. Step 3: Cross multiply
    193,403.57x = 290,039.66 × 67,014.32
  4. Step 4: Simplify right side
    193,403.57x = 19,436,808,802.66
  5. Step 5: Solve for x
    x = 19,436,808,802.66/193,403.57
  6. Step 6: Final answer
    x = 100,498.71

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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.