Home / 200,072.60-276,069.48-115,173.24

Finding the Fourth Proportional to 200,072.60, 276,069.48 and 115,173.24

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Solution

The fourth proportional to 200,072.60, 276,069.48 and 115,173.24 is: 158,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,072.60 : 276,069.48 = 115,173.24 : x
  2. Step 2: Convert to fraction form
    200,072.60/276,069.48 = 115,173.24/x
  3. Step 3: Cross multiply
    200,072.60x = 276,069.48 × 115,173.24
  4. Step 4: Simplify right side
    200,072.60x = 31,795,816,476.72
  5. Step 5: Solve for x
    x = 31,795,816,476.72/200,072.60
  6. Step 6: Final answer
    x = 158,921.39

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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.