Home / 200,739.10-276,975.12-114,670.60

Finding the Fourth Proportional to 200,739.10, 276,975.12 and 114,670.60

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Solution

The fourth proportional to 200,739.10, 276,975.12 and 114,670.60 is: 158,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,739.10 : 276,975.12 = 114,670.60 : x
  2. Step 2: Convert to fraction form
    200,739.10/276,975.12 = 114,670.60/x
  3. Step 3: Cross multiply
    200,739.10x = 276,975.12 × 114,670.60
  4. Step 4: Simplify right side
    200,739.10x = 31,760,903,195.47
  5. Step 5: Solve for x
    x = 31,760,903,195.47/200,739.10
  6. Step 6: Final answer
    x = 158,219.81

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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.