Home / 203,823.98-281,284.16-113,181.46

Finding the Fourth Proportional to 203,823.98, 281,284.16 and 113,181.46

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Solution

The fourth proportional to 203,823.98, 281,284.16 and 113,181.46 is: 156,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,823.98 : 281,284.16 = 113,181.46 : x
  2. Step 2: Convert to fraction form
    203,823.98/281,284.16 = 113,181.46/x
  3. Step 3: Cross multiply
    203,823.98x = 281,284.16 × 113,181.46
  4. Step 4: Simplify right side
    203,823.98x = 31,836,151,903.67
  5. Step 5: Solve for x
    x = 31,836,151,903.67/203,823.98
  6. Step 6: Final answer
    x = 156,194.34

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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.