Home / 148,942.10-223,413.15-147,905.30

Finding the Fourth Proportional to 148,942.10, 223,413.15 and 147,905.30

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Solution

The fourth proportional to 148,942.10, 223,413.15 and 147,905.30 is: 221,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,942.10 : 223,413.15 = 147,905.30 : x
  2. Step 2: Convert to fraction form
    148,942.10/223,413.15 = 147,905.30/x
  3. Step 3: Cross multiply
    148,942.10x = 223,413.15 × 147,905.30
  4. Step 4: Simplify right side
    148,942.10x = 33,043,988,974.70
  5. Step 5: Solve for x
    x = 33,043,988,974.70/148,942.10
  6. Step 6: Final answer
    x = 221,857.95

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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.