Home / 200,587.08-276,807.70-108,704.39

Finding the Fourth Proportional to 200,587.08, 276,807.70 and 108,704.39

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Solution

The fourth proportional to 200,587.08, 276,807.70 and 108,704.39 is: 150,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,587.08 : 276,807.70 = 108,704.39 : x
  2. Step 2: Convert to fraction form
    200,587.08/276,807.70 = 108,704.39/x
  3. Step 3: Cross multiply
    200,587.08x = 276,807.70 × 108,704.39
  4. Step 4: Simplify right side
    200,587.08x = 30,090,211,632.28
  5. Step 5: Solve for x
    x = 30,090,211,632.28/200,587.08
  6. Step 6: Final answer
    x = 150,010.72

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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.