Home / 263,628-395,360.22-95,126.40

Finding the Fourth Proportional to 263,628, 395,360.22 and 95,126.40

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Solution

The fourth proportional to 263,628, 395,360.22 and 95,126.40 is: 142,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,628 : 395,360.22 = 95,126.40 : x
  2. Step 2: Convert to fraction form
    263,628/395,360.22 = 95,126.40/x
  3. Step 3: Cross multiply
    263,628x = 395,360.22 × 95,126.40
  4. Step 4: Simplify right side
    263,628x = 37,609,194,431.81
  5. Step 5: Solve for x
    x = 37,609,194,431.81/263,628
  6. Step 6: Final answer
    x = 142,660.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.