Home / 263,533.71-395,158.38-136,861.45

Finding the Fourth Proportional to 263,533.71, 395,158.38 and 136,861.45

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Solution

The fourth proportional to 263,533.71, 395,158.38 and 136,861.45 is: 205,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,533.71 : 395,158.38 = 136,861.45 : x
  2. Step 2: Convert to fraction form
    263,533.71/395,158.38 = 136,861.45/x
  3. Step 3: Cross multiply
    263,533.71x = 395,158.38 × 136,861.45
  4. Step 4: Simplify right side
    263,533.71x = 54,081,948,866.45
  5. Step 5: Solve for x
    x = 54,081,948,866.45/263,533.71
  6. Step 6: Final answer
    x = 205,218.33

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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.