Home / 178,749.14-268,123.41-45,629.37

Finding the Fourth Proportional to 178,749.14, 268,123.41 and 45,629.37

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Solution

The fourth proportional to 178,749.14, 268,123.41 and 45,629.37 is: 68,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,749.14 : 268,123.41 = 45,629.37 : x
  2. Step 2: Convert to fraction form
    178,749.14/268,123.41 = 45,629.37/x
  3. Step 3: Cross multiply
    178,749.14x = 268,123.41 × 45,629.37
  4. Step 4: Simplify right side
    178,749.14x = 12,234,302,280.55
  5. Step 5: Solve for x
    x = 12,234,302,280.55/178,749.14
  6. Step 6: Final answer
    x = 68,443.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.