Home / 331,790.28-457,903.44-195,869.04

Finding the Fourth Proportional to 331,790.28, 457,903.44 and 195,869.04

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Solution

The fourth proportional to 331,790.28, 457,903.44 and 195,869.04 is: 270,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,790.28 : 457,903.44 = 195,869.04 : x
  2. Step 2: Convert to fraction form
    331,790.28/457,903.44 = 195,869.04/x
  3. Step 3: Cross multiply
    331,790.28x = 457,903.44 × 195,869.04
  4. Step 4: Simplify right side
    331,790.28x = 89,689,107,205.50
  5. Step 5: Solve for x
    x = 89,689,107,205.50/331,790.28
  6. Step 6: Final answer
    x = 270,318.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.