Home / 200,647.05-276,898.20-113,425.20

Finding the Fourth Proportional to 200,647.05, 276,898.20 and 113,425.20

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Solution

The fourth proportional to 200,647.05, 276,898.20 and 113,425.20 is: 156,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,647.05 : 276,898.20 = 113,425.20 : x
  2. Step 2: Convert to fraction form
    200,647.05/276,898.20 = 113,425.20/x
  3. Step 3: Cross multiply
    200,647.05x = 276,898.20 × 113,425.20
  4. Step 4: Simplify right side
    200,647.05x = 31,407,233,714.64
  5. Step 5: Solve for x
    x = 31,407,233,714.64/200,647.05
  6. Step 6: Final answer
    x = 156,529.76

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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.