Home / 204,137.96-281,719.76-113,503.23

Finding the Fourth Proportional to 204,137.96, 281,719.76 and 113,503.23

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Solution

The fourth proportional to 204,137.96, 281,719.76 and 113,503.23 is: 156,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,137.96 : 281,719.76 = 113,503.23 : x
  2. Step 2: Convert to fraction form
    204,137.96/281,719.76 = 113,503.23/x
  3. Step 3: Cross multiply
    204,137.96x = 281,719.76 × 113,503.23
  4. Step 4: Simplify right side
    204,137.96x = 31,976,102,147.31
  5. Step 5: Solve for x
    x = 31,976,102,147.31/204,137.96
  6. Step 6: Final answer
    x = 156,639.67

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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.