Home / 200,696.07-276,855.15-120,099.63

Finding the Fourth Proportional to 200,696.07, 276,855.15 and 120,099.63

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Solution

The fourth proportional to 200,696.07, 276,855.15 and 120,099.63 is: 165,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,696.07 : 276,855.15 = 120,099.63 : x
  2. Step 2: Convert to fraction form
    200,696.07/276,855.15 = 120,099.63/x
  3. Step 3: Cross multiply
    200,696.07x = 276,855.15 × 120,099.63
  4. Step 4: Simplify right side
    200,696.07x = 33,250,201,078.59
  5. Step 5: Solve for x
    x = 33,250,201,078.59/200,696.07
  6. Step 6: Final answer
    x = 165,674.40

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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.