Home / 178,858.33-268,087.66-77,539.42

Finding the Fourth Proportional to 178,858.33, 268,087.66 and 77,539.42

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Solution

The fourth proportional to 178,858.33, 268,087.66 and 77,539.42 is: 116,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,858.33 : 268,087.66 = 77,539.42 : x
  2. Step 2: Convert to fraction form
    178,858.33/268,087.66 = 77,539.42/x
  3. Step 3: Cross multiply
    178,858.33x = 268,087.66 × 77,539.42
  4. Step 4: Simplify right side
    178,858.33x = 20,787,361,665.56
  5. Step 5: Solve for x
    x = 20,787,361,665.56/178,858.33
  6. Step 6: Final answer
    x = 116,222.50

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1.5x scale

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.