Home / 193,400.75-290,094.68-79,544.61

Finding the Fourth Proportional to 193,400.75, 290,094.68 and 79,544.61

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Solution

The fourth proportional to 193,400.75, 290,094.68 and 79,544.61 is: 119,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,400.75 : 290,094.68 = 79,544.61 : x
  2. Step 2: Convert to fraction form
    193,400.75/290,094.68 = 79,544.61/x
  3. Step 3: Cross multiply
    193,400.75x = 290,094.68 × 79,544.61
  4. Step 4: Simplify right side
    193,400.75x = 23,075,467,785.95
  5. Step 5: Solve for x
    x = 23,075,467,785.95/193,400.75
  6. Step 6: Final answer
    x = 119,314.27

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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.