Home / 198,314.96-273,671.24-108,890.32

Finding the Fourth Proportional to 198,314.96, 273,671.24 and 108,890.32

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Solution

The fourth proportional to 198,314.96, 273,671.24 and 108,890.32 is: 150,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,314.96 : 273,671.24 = 108,890.32 : x
  2. Step 2: Convert to fraction form
    198,314.96/273,671.24 = 108,890.32/x
  3. Step 3: Cross multiply
    198,314.96x = 273,671.24 × 108,890.32
  4. Step 4: Simplify right side
    198,314.96x = 29,800,148,898.40
  5. Step 5: Solve for x
    x = 29,800,148,898.40/198,314.96
  6. Step 6: Final answer
    x = 150,266.77

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1.5x scale

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.