Home / 178,846.20-268,269.30-115,860.60

Finding the Fourth Proportional to 178,846.20, 268,269.30 and 115,860.60

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Solution

The fourth proportional to 178,846.20, 268,269.30 and 115,860.60 is: 173,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,846.20 : 268,269.30 = 115,860.60 : x
  2. Step 2: Convert to fraction form
    178,846.20/268,269.30 = 115,860.60/x
  3. Step 3: Cross multiply
    178,846.20x = 268,269.30 × 115,860.60
  4. Step 4: Simplify right side
    178,846.20x = 31,081,842,059.58
  5. Step 5: Solve for x
    x = 31,081,842,059.58/178,846.20
  6. Step 6: Final answer
    x = 173,790.90

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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.