Home / 325,533.20-488,299.85-135,890.12

Finding the Fourth Proportional to 325,533.20, 488,299.85 and 135,890.12

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Solution

The fourth proportional to 325,533.20, 488,299.85 and 135,890.12 is: 203,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,533.20 : 488,299.85 = 135,890.12 : x
  2. Step 2: Convert to fraction form
    325,533.20/488,299.85 = 135,890.12/x
  3. Step 3: Cross multiply
    325,533.20x = 488,299.85 × 135,890.12
  4. Step 4: Simplify right side
    325,533.20x = 66,355,122,091.53
  5. Step 5: Solve for x
    x = 66,355,122,091.53/325,533.20
  6. Step 6: Final answer
    x = 203,835.19

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1.5x scale

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.