Home / 203,955.36-281,456.55-113,311.50

Finding the Fourth Proportional to 203,955.36, 281,456.55 and 113,311.50

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Solution

The fourth proportional to 203,955.36, 281,456.55 and 113,311.50 is: 156,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,955.36 : 281,456.55 = 113,311.50 : x
  2. Step 2: Convert to fraction form
    203,955.36/281,456.55 = 113,311.50/x
  3. Step 3: Cross multiply
    203,955.36x = 281,456.55 × 113,311.50
  4. Step 4: Simplify right side
    203,955.36x = 31,892,263,865.33
  5. Step 5: Solve for x
    x = 31,892,263,865.33/203,955.36
  6. Step 6: Final answer
    x = 156,368.84

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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.