Home / 193,400.25-290,093.92-79,544.11

Finding the Fourth Proportional to 193,400.25, 290,093.92 and 79,544.11

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Solution

The fourth proportional to 193,400.25, 290,093.92 and 79,544.11 is: 119,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,400.25 : 290,093.92 = 79,544.11 : x
  2. Step 2: Convert to fraction form
    193,400.25/290,093.92 = 79,544.11/x
  3. Step 3: Cross multiply
    193,400.25x = 290,093.92 × 79,544.11
  4. Step 4: Simplify right side
    193,400.25x = 23,075,262,682.81
  5. Step 5: Solve for x
    x = 23,075,262,682.81/193,400.25
  6. Step 6: Final answer
    x = 119,313.51

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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.