Home / 394,934.88-592,413.60-155,038.80

Finding the Fourth Proportional to 394,934.88, 592,413.60 and 155,038.80

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Solution

The fourth proportional to 394,934.88, 592,413.60 and 155,038.80 is: 232,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,934.88 : 592,413.60 = 155,038.80 : x
  2. Step 2: Convert to fraction form
    394,934.88/592,413.60 = 155,038.80/x
  3. Step 3: Cross multiply
    394,934.88x = 592,413.60 × 155,038.80
  4. Step 4: Simplify right side
    394,934.88x = 91,847,093,647.68
  5. Step 5: Solve for x
    x = 91,847,093,647.68/394,934.88
  6. Step 6: Final answer
    x = 232,562.63

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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.