Home / 178,738.25-268,107.23-45,618.53

Finding the Fourth Proportional to 178,738.25, 268,107.23 and 45,618.53

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Solution

The fourth proportional to 178,738.25, 268,107.23 and 45,618.53 is: 68,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,738.25 : 268,107.23 = 45,618.53 : x
  2. Step 2: Convert to fraction form
    178,738.25/268,107.23 = 45,618.53/x
  3. Step 3: Cross multiply
    178,738.25x = 268,107.23 × 45,618.53
  4. Step 4: Simplify right side
    178,738.25x = 12,230,656,488.48
  5. Step 5: Solve for x
    x = 12,230,656,488.48/178,738.25
  6. Step 6: Final answer
    x = 68,427.75

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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.