Home / 192,724.11-289,209.56-104,039.37

Finding the Fourth Proportional to 192,724.11, 289,209.56 and 104,039.37

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Solution

The fourth proportional to 192,724.11, 289,209.56 and 104,039.37 is: 156,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,724.11 : 289,209.56 = 104,039.37 : x
  2. Step 2: Convert to fraction form
    192,724.11/289,209.56 = 104,039.37/x
  3. Step 3: Cross multiply
    192,724.11x = 289,209.56 × 104,039.37
  4. Step 4: Simplify right side
    192,724.11x = 30,089,180,420.38
  5. Step 5: Solve for x
    x = 30,089,180,420.38/192,724.11
  6. Step 6: Final answer
    x = 156,125.67

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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.