Home / 200,511.36-276,698.88-115,626.24

Finding the Fourth Proportional to 200,511.36, 276,698.88 and 115,626.24

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Solution

The fourth proportional to 200,511.36, 276,698.88 and 115,626.24 is: 159,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,511.36 : 276,698.88 = 115,626.24 : x
  2. Step 2: Convert to fraction form
    200,511.36/276,698.88 = 115,626.24/x
  3. Step 3: Cross multiply
    200,511.36x = 276,698.88 × 115,626.24
  4. Step 4: Simplify right side
    200,511.36x = 31,993,651,106.61
  5. Step 5: Solve for x
    x = 31,993,651,106.61/200,511.36
  6. Step 6: Final answer
    x = 159,560.29

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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.