Home / 345,375.51-476,632.92-192,413.61

Finding the Fourth Proportional to 345,375.51, 476,632.92 and 192,413.61

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Solution

The fourth proportional to 345,375.51, 476,632.92 and 192,413.61 is: 265,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,375.51 : 476,632.92 = 192,413.61 : x
  2. Step 2: Convert to fraction form
    345,375.51/476,632.92 = 192,413.61/x
  3. Step 3: Cross multiply
    345,375.51x = 476,632.92 × 192,413.61
  4. Step 4: Simplify right side
    345,375.51x = 91,710,660,782.04
  5. Step 5: Solve for x
    x = 91,710,660,782.04/345,375.51
  6. Step 6: Final answer
    x = 265,538.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.