Home / 135,190.12-202,796.04-40,413.40

Finding the Fourth Proportional to 135,190.12, 202,796.04 and 40,413.40

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Solution

The fourth proportional to 135,190.12, 202,796.04 and 40,413.40 is: 60,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,190.12 : 202,796.04 = 40,413.40 : x
  2. Step 2: Convert to fraction form
    135,190.12/202,796.04 = 40,413.40/x
  3. Step 3: Cross multiply
    135,190.12x = 202,796.04 × 40,413.40
  4. Step 4: Simplify right side
    135,190.12x = 8,195,677,482.94
  5. Step 5: Solve for x
    x = 8,195,677,482.94/135,190.12
  6. Step 6: Final answer
    x = 60,623.35

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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.