Home / 168,853.20-233,016.12-100,899.60

Finding the Fourth Proportional to 168,853.20, 233,016.12 and 100,899.60

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Solution

The fourth proportional to 168,853.20, 233,016.12 and 100,899.60 is: 139,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,853.20 : 233,016.12 = 100,899.60 : x
  2. Step 2: Convert to fraction form
    168,853.20/233,016.12 = 100,899.60/x
  3. Step 3: Cross multiply
    168,853.20x = 233,016.12 × 100,899.60
  4. Step 4: Simplify right side
    168,853.20x = 23,511,233,301.55
  5. Step 5: Solve for x
    x = 23,511,233,301.55/168,853.20
  6. Step 6: Final answer
    x = 139,240.67

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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.