Home / 263,822.40-395,733.60-105,969.60

Finding the Fourth Proportional to 263,822.40, 395,733.60 and 105,969.60

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Solution

The fourth proportional to 263,822.40, 395,733.60 and 105,969.60 is: 158,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,822.40 : 395,733.60 = 105,969.60 : x
  2. Step 2: Convert to fraction form
    263,822.40/395,733.60 = 105,969.60/x
  3. Step 3: Cross multiply
    263,822.40x = 395,733.60 × 105,969.60
  4. Step 4: Simplify right side
    263,822.40x = 41,935,731,298.56
  5. Step 5: Solve for x
    x = 41,935,731,298.56/263,822.40
  6. Step 6: Final answer
    x = 158,954.40

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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.