Home / 206,942.10-310,413.15-73,826.70

Finding the Fourth Proportional to 206,942.10, 310,413.15 and 73,826.70

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Solution

The fourth proportional to 206,942.10, 310,413.15 and 73,826.70 is: 110,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,942.10 : 310,413.15 = 73,826.70 : x
  2. Step 2: Convert to fraction form
    206,942.10/310,413.15 = 73,826.70/x
  3. Step 3: Cross multiply
    206,942.10x = 310,413.15 × 73,826.70
  4. Step 4: Simplify right side
    206,942.10x = 22,916,778,501.11
  5. Step 5: Solve for x
    x = 22,916,778,501.11/206,942.10
  6. Step 6: Final answer
    x = 110,740.05

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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.