Home / 200,722.12-276,976.53-115,866.52

Finding the Fourth Proportional to 200,722.12, 276,976.53 and 115,866.52

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Solution

The fourth proportional to 200,722.12, 276,976.53 and 115,866.52 is: 159,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,722.12 : 276,976.53 = 115,866.52 : x
  2. Step 2: Convert to fraction form
    200,722.12/276,976.53 = 115,866.52/x
  3. Step 3: Cross multiply
    200,722.12x = 276,976.53 × 115,866.52
  4. Step 4: Simplify right side
    200,722.12x = 32,092,305,960.33
  5. Step 5: Solve for x
    x = 32,092,305,960.33/200,722.12
  6. Step 6: Final answer
    x = 159,884.25

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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.