Home / 203,826.63-281,271.35-113,188.39

Finding the Fourth Proportional to 203,826.63, 281,271.35 and 113,188.39

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Solution

The fourth proportional to 203,826.63, 281,271.35 and 113,188.39 is: 156,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,826.63 : 281,271.35 = 113,188.39 : x
  2. Step 2: Convert to fraction form
    203,826.63/281,271.35 = 113,188.39/x
  3. Step 3: Cross multiply
    203,826.63x = 281,271.35 × 113,188.39
  4. Step 4: Simplify right side
    203,826.63x = 31,836,650,839.42
  5. Step 5: Solve for x
    x = 31,836,650,839.42/203,826.63
  6. Step 6: Final answer
    x = 156,194.75

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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.