Home / 203,926.92-281,409.96-113,289.16

Finding the Fourth Proportional to 203,926.92, 281,409.96 and 113,289.16

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Solution

The fourth proportional to 203,926.92, 281,409.96 and 113,289.16 is: 156,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,926.92 : 281,409.96 = 113,289.16 : x
  2. Step 2: Convert to fraction form
    203,926.92/281,409.96 = 113,289.16/x
  3. Step 3: Cross multiply
    203,926.92x = 281,409.96 × 113,289.16
  4. Step 4: Simplify right side
    203,926.92x = 31,880,697,984.03
  5. Step 5: Solve for x
    x = 31,880,697,984.03/203,926.92
  6. Step 6: Final answer
    x = 156,333.94

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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.