Home / 200,605.32-276,825.06-115,717.32

Finding the Fourth Proportional to 200,605.32, 276,825.06 and 115,717.32

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Solution

The fourth proportional to 200,605.32, 276,825.06 and 115,717.32 is: 159,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,605.32 : 276,825.06 = 115,717.32 : x
  2. Step 2: Convert to fraction form
    200,605.32/276,825.06 = 115,717.32/x
  3. Step 3: Cross multiply
    200,605.32x = 276,825.06 × 115,717.32
  4. Step 4: Simplify right side
    200,605.32x = 32,033,454,052.04
  5. Step 5: Solve for x
    x = 32,033,454,052.04/200,605.32
  6. Step 6: Final answer
    x = 159,683.97

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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.