Home / 200,721.51-276,998.81-110,085.75

Finding the Fourth Proportional to 200,721.51, 276,998.81 and 110,085.75

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Solution

The fourth proportional to 200,721.51, 276,998.81 and 110,085.75 is: 151,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,721.51 : 276,998.81 = 110,085.75 : x
  2. Step 2: Convert to fraction form
    200,721.51/276,998.81 = 110,085.75/x
  3. Step 3: Cross multiply
    200,721.51x = 276,998.81 × 110,085.75
  4. Step 4: Simplify right side
    200,721.51x = 30,493,621,197.53
  5. Step 5: Solve for x
    x = 30,493,621,197.53/200,721.51
  6. Step 6: Final answer
    x = 151,920.05

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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.