Home / 200,448.09-276,618.44-109,807.31

Finding the Fourth Proportional to 200,448.09, 276,618.44 and 109,807.31

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Solution

The fourth proportional to 200,448.09, 276,618.44 and 109,807.31 is: 151,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,448.09 : 276,618.44 = 109,807.31 : x
  2. Step 2: Convert to fraction form
    200,448.09/276,618.44 = 109,807.31/x
  3. Step 3: Cross multiply
    200,448.09x = 276,618.44 × 109,807.31
  4. Step 4: Simplify right side
    200,448.09x = 30,374,726,792.80
  5. Step 5: Solve for x
    x = 30,374,726,792.80/200,448.09
  6. Step 6: Final answer
    x = 151,534.13

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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.