Home / 200,447.09-276,617.06-109,806.31

Finding the Fourth Proportional to 200,447.09, 276,617.06 and 109,806.31

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Solution

The fourth proportional to 200,447.09, 276,617.06 and 109,806.31 is: 151,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,447.09 : 276,617.06 = 109,806.31 : x
  2. Step 2: Convert to fraction form
    200,447.09/276,617.06 = 109,806.31/x
  3. Step 3: Cross multiply
    200,447.09x = 276,617.06 × 109,806.31
  4. Step 4: Simplify right side
    200,447.09x = 30,374,296,709.53
  5. Step 5: Solve for x
    x = 30,374,296,709.53/200,447.09
  6. Step 6: Final answer
    x = 151,532.74

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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.