Home / 161,800.98-223,286.44-90,185.60

Finding the Fourth Proportional to 161,800.98, 223,286.44 and 90,185.60

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Solution

The fourth proportional to 161,800.98, 223,286.44 and 90,185.60 is: 124,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,800.98 : 223,286.44 = 90,185.60 : x
  2. Step 2: Convert to fraction form
    161,800.98/223,286.44 = 90,185.60/x
  3. Step 3: Cross multiply
    161,800.98x = 223,286.44 × 90,185.60
  4. Step 4: Simplify right side
    161,800.98x = 20,137,221,563.26
  5. Step 5: Solve for x
    x = 20,137,221,563.26/161,800.98
  6. Step 6: Final answer
    x = 124,456.73

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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.