Home / 203,631.98-281,027.58-113,005.14

Finding the Fourth Proportional to 203,631.98, 281,027.58 and 113,005.14

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Solution

The fourth proportional to 203,631.98, 281,027.58 and 113,005.14 is: 155,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,631.98 : 281,027.58 = 113,005.14 : x
  2. Step 2: Convert to fraction form
    203,631.98/281,027.58 = 113,005.14/x
  3. Step 3: Cross multiply
    203,631.98x = 281,027.58 × 113,005.14
  4. Step 4: Simplify right side
    203,631.98x = 31,757,561,021.76
  5. Step 5: Solve for x
    x = 31,757,561,021.76/203,631.98
  6. Step 6: Final answer
    x = 155,955.67

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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.