Home / 270,631.31-405,942.57-93,139.92

Finding the Fourth Proportional to 270,631.31, 405,942.57 and 93,139.92

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Solution

The fourth proportional to 270,631.31, 405,942.57 and 93,139.92 is: 139,708.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,631.31 : 405,942.57 = 93,139.92 : x
  2. Step 2: Convert to fraction form
    270,631.31/405,942.57 = 93,139.92/x
  3. Step 3: Cross multiply
    270,631.31x = 405,942.57 × 93,139.92
  4. Step 4: Simplify right side
    270,631.31x = 37,809,458,494.39
  5. Step 5: Solve for x
    x = 37,809,458,494.39/270,631.31
  6. Step 6: Final answer
    x = 139,708.37

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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.