Home / 322,413.28-483,487.20-140,055.76

Finding the Fourth Proportional to 322,413.28, 483,487.20 and 140,055.76

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Solution

The fourth proportional to 322,413.28, 483,487.20 and 140,055.76 is: 210,025.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,413.28 : 483,487.20 = 140,055.76 : x
  2. Step 2: Convert to fraction form
    322,413.28/483,487.20 = 140,055.76/x
  3. Step 3: Cross multiply
    322,413.28x = 483,487.20 × 140,055.76
  4. Step 4: Simplify right side
    322,413.28x = 67,715,167,246.27
  5. Step 5: Solve for x
    x = 67,715,167,246.27/322,413.28
  6. Step 6: Final answer
    x = 210,025.99

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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.