Home / 192,724.36-289,209.93-104,039.62

Finding the Fourth Proportional to 192,724.36, 289,209.93 and 104,039.62

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Solution

The fourth proportional to 192,724.36, 289,209.93 and 104,039.62 is: 156,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,724.36 : 289,209.93 = 104,039.62 : x
  2. Step 2: Convert to fraction form
    192,724.36/289,209.93 = 104,039.62/x
  3. Step 3: Cross multiply
    192,724.36x = 289,209.93 × 104,039.62
  4. Step 4: Simplify right side
    192,724.36x = 30,089,291,217.43
  5. Step 5: Solve for x
    x = 30,089,291,217.43/192,724.36
  6. Step 6: Final answer
    x = 156,126.04

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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.