Home / 181,620.12-250,629.46-99,940.74

Finding the Fourth Proportional to 181,620.12, 250,629.46 and 99,940.74

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Solution

The fourth proportional to 181,620.12, 250,629.46 and 99,940.74 is: 137,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,620.12 : 250,629.46 = 99,940.74 : x
  2. Step 2: Convert to fraction form
    181,620.12/250,629.46 = 99,940.74/x
  3. Step 3: Cross multiply
    181,620.12x = 250,629.46 × 99,940.74
  4. Step 4: Simplify right side
    181,620.12x = 25,048,093,198.50
  5. Step 5: Solve for x
    x = 25,048,093,198.50/181,620.12
  6. Step 6: Final answer
    x = 137,914.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.