Home / 130,693.37-196,065.57-41,940.05

Finding the Fourth Proportional to 130,693.37, 196,065.57 and 41,940.05

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Solution

The fourth proportional to 130,693.37, 196,065.57 and 41,940.05 is: 62,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,693.37 : 196,065.57 = 41,940.05 : x
  2. Step 2: Convert to fraction form
    130,693.37/196,065.57 = 41,940.05/x
  3. Step 3: Cross multiply
    130,693.37x = 196,065.57 × 41,940.05
  4. Step 4: Simplify right side
    130,693.37x = 8,222,998,986.03
  5. Step 5: Solve for x
    x = 8,222,998,986.03/130,693.37
  6. Step 6: Final answer
    x = 62,918.26

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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.