Home / 200,395.19-276,545.36-109,751.37

Finding the Fourth Proportional to 200,395.19, 276,545.36 and 109,751.37

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Solution

The fourth proportional to 200,395.19, 276,545.36 and 109,751.37 is: 151,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,395.19 : 276,545.36 = 109,751.37 : x
  2. Step 2: Convert to fraction form
    200,395.19/276,545.36 = 109,751.37/x
  3. Step 3: Cross multiply
    200,395.19x = 276,545.36 × 109,751.37
  4. Step 4: Simplify right side
    200,395.19x = 30,351,230,541.34
  5. Step 5: Solve for x
    x = 30,351,230,541.34/200,395.19
  6. Step 6: Final answer
    x = 151,456.88

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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.