Home / 216,900.83-324,927.51-149,420.95

Finding the Fourth Proportional to 216,900.83, 324,927.51 and 149,420.95

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Solution

The fourth proportional to 216,900.83, 324,927.51 and 149,420.95 is: 223,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,900.83 : 324,927.51 = 149,420.95 : x
  2. Step 2: Convert to fraction form
    216,900.83/324,927.51 = 149,420.95/x
  3. Step 3: Cross multiply
    216,900.83x = 324,927.51 × 149,420.95
  4. Step 4: Simplify right side
    216,900.83x = 48,550,976,413.02
  5. Step 5: Solve for x
    x = 48,550,976,413.02/216,900.83
  6. Step 6: Final answer
    x = 223,839.51

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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.