Home / 218,925.40-328,363.80-179,413.60

Finding the Fourth Proportional to 218,925.40, 328,363.80 and 179,413.60

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Solution

The fourth proportional to 218,925.40, 328,363.80 and 179,413.60 is: 269,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,925.40 : 328,363.80 = 179,413.60 : x
  2. Step 2: Convert to fraction form
    218,925.40/328,363.80 = 179,413.60/x
  3. Step 3: Cross multiply
    218,925.40x = 328,363.80 × 179,413.60
  4. Step 4: Simplify right side
    218,925.40x = 58,912,931,467.68
  5. Step 5: Solve for x
    x = 58,912,931,467.68/218,925.40
  6. Step 6: Final answer
    x = 269,100.49

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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.