Home / 230,104.20-345,285.90-89,844.60

Finding the Fourth Proportional to 230,104.20, 345,285.90 and 89,844.60

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Solution

The fourth proportional to 230,104.20, 345,285.90 and 89,844.60 is: 134,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,104.20 : 345,285.90 = 89,844.60 : x
  2. Step 2: Convert to fraction form
    230,104.20/345,285.90 = 89,844.60/x
  3. Step 3: Cross multiply
    230,104.20x = 345,285.90 × 89,844.60
  4. Step 4: Simplify right side
    230,104.20x = 31,022,073,571.14
  5. Step 5: Solve for x
    x = 31,022,073,571.14/230,104.20
  6. Step 6: Final answer
    x = 134,817.50

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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.