Home / 171,861.08-237,115.14-100,190.37

Finding the Fourth Proportional to 171,861.08, 237,115.14 and 100,190.37

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Solution

The fourth proportional to 171,861.08, 237,115.14 and 100,190.37 is: 138,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,861.08 : 237,115.14 = 100,190.37 : x
  2. Step 2: Convert to fraction form
    171,861.08/237,115.14 = 100,190.37/x
  3. Step 3: Cross multiply
    171,861.08x = 237,115.14 × 100,190.37
  4. Step 4: Simplify right side
    171,861.08x = 23,756,653,609.20
  5. Step 5: Solve for x
    x = 23,756,653,609.20/171,861.08
  6. Step 6: Final answer
    x = 138,231.73

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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.