Home / 194,571.54-268,505.15-109,688.67

Finding the Fourth Proportional to 194,571.54, 268,505.15 and 109,688.67

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Solution

The fourth proportional to 194,571.54, 268,505.15 and 109,688.67 is: 151,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,571.54 : 268,505.15 = 109,688.67 : x
  2. Step 2: Convert to fraction form
    194,571.54/268,505.15 = 109,688.67/x
  3. Step 3: Cross multiply
    194,571.54x = 268,505.15 × 109,688.67
  4. Step 4: Simplify right side
    194,571.54x = 29,451,972,243.21
  5. Step 5: Solve for x
    x = 29,451,972,243.21/194,571.54
  6. Step 6: Final answer
    x = 151,368.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.