Home / 203,826.91-281,271.74-113,188.67

Finding the Fourth Proportional to 203,826.91, 281,271.74 and 113,188.67

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Solution

The fourth proportional to 203,826.91, 281,271.74 and 113,188.67 is: 156,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,826.91 : 281,271.74 = 113,188.67 : x
  2. Step 2: Convert to fraction form
    203,826.91/281,271.74 = 113,188.67/x
  3. Step 3: Cross multiply
    203,826.91x = 281,271.74 × 113,188.67
  4. Step 4: Simplify right side
    203,826.91x = 31,836,773,087.26
  5. Step 5: Solve for x
    x = 31,836,773,087.26/203,826.91
  6. Step 6: Final answer
    x = 156,195.14

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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.