Home / 203,729.95-281,117.34-113,086.60

Finding the Fourth Proportional to 203,729.95, 281,117.34 and 113,086.60

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Solution

The fourth proportional to 203,729.95, 281,117.34 and 113,086.60 is: 156,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,729.95 : 281,117.34 = 113,086.60 : x
  2. Step 2: Convert to fraction form
    203,729.95/281,117.34 = 113,086.60/x
  3. Step 3: Cross multiply
    203,729.95x = 281,117.34 × 113,086.60
  4. Step 4: Simplify right side
    203,729.95x = 31,790,604,181.64
  5. Step 5: Solve for x
    x = 31,790,604,181.64/203,729.95
  6. Step 6: Final answer
    x = 156,042.86

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1.5x scale

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.