Home / 147,413.40-221,120.10-94,269.30

Finding the Fourth Proportional to 147,413.40, 221,120.10 and 94,269.30

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Solution

The fourth proportional to 147,413.40, 221,120.10 and 94,269.30 is: 141,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,413.40 : 221,120.10 = 94,269.30 : x
  2. Step 2: Convert to fraction form
    147,413.40/221,120.10 = 94,269.30/x
  3. Step 3: Cross multiply
    147,413.40x = 221,120.10 × 94,269.30
  4. Step 4: Simplify right side
    147,413.40x = 20,844,837,042.93
  5. Step 5: Solve for x
    x = 20,844,837,042.93/147,413.40
  6. Step 6: Final answer
    x = 141,403.95

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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.