Home / 230,561.40-345,906.90-112,236.60

Finding the Fourth Proportional to 230,561.40, 345,906.90 and 112,236.60

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Solution

The fourth proportional to 230,561.40, 345,906.90 and 112,236.60 is: 168,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,561.40 : 345,906.90 = 112,236.60 : x
  2. Step 2: Convert to fraction form
    230,561.40/345,906.90 = 112,236.60/x
  3. Step 3: Cross multiply
    230,561.40x = 345,906.90 × 112,236.60
  4. Step 4: Simplify right side
    230,561.40x = 38,823,414,372.54
  5. Step 5: Solve for x
    x = 38,823,414,372.54/230,561.40
  6. Step 6: Final answer
    x = 168,386.44

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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.