Home / 178,872.12-268,364.34-73,740.60

Finding the Fourth Proportional to 178,872.12, 268,364.34 and 73,740.60

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Solution

The fourth proportional to 178,872.12, 268,364.34 and 73,740.60 is: 110,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,872.12 : 268,364.34 = 73,740.60 : x
  2. Step 2: Convert to fraction form
    178,872.12/268,364.34 = 73,740.60/x
  3. Step 3: Cross multiply
    178,872.12x = 268,364.34 × 73,740.60
  4. Step 4: Simplify right side
    178,872.12x = 19,789,347,450.20
  5. Step 5: Solve for x
    x = 19,789,347,450.20/178,872.12
  6. Step 6: Final answer
    x = 110,634.05

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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.