Home / 303,331.11-454,980.20-92,969.61

Finding the Fourth Proportional to 303,331.11, 454,980.20 and 92,969.61

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Solution

The fourth proportional to 303,331.11, 454,980.20 and 92,969.61 is: 139,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,331.11 : 454,980.20 = 92,969.61 : x
  2. Step 2: Convert to fraction form
    303,331.11/454,980.20 = 92,969.61/x
  3. Step 3: Cross multiply
    303,331.11x = 454,980.20 × 92,969.61
  4. Step 4: Simplify right side
    303,331.11x = 42,299,331,286.87
  5. Step 5: Solve for x
    x = 42,299,331,286.87/303,331.11
  6. Step 6: Final answer
    x = 139,449.37

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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.