Home / 436,942.53-655,413.57-121,399.32

Finding the Fourth Proportional to 436,942.53, 655,413.57 and 121,399.32

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Solution

The fourth proportional to 436,942.53, 655,413.57 and 121,399.32 is: 182,098.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,942.53 : 655,413.57 = 121,399.32 : x
  2. Step 2: Convert to fraction form
    436,942.53/655,413.57 = 121,399.32/x
  3. Step 3: Cross multiply
    436,942.53x = 655,413.57 × 121,399.32
  4. Step 4: Simplify right side
    436,942.53x = 79,566,761,716.77
  5. Step 5: Solve for x
    x = 79,566,761,716.77/436,942.53
  6. Step 6: Final answer
    x = 182,098.92

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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.