Home / 161,367.68-222,687.40-88,771.58

Finding the Fourth Proportional to 161,367.68, 222,687.40 and 88,771.58

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Solution

The fourth proportional to 161,367.68, 222,687.40 and 88,771.58 is: 122,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,367.68 : 222,687.40 = 88,771.58 : x
  2. Step 2: Convert to fraction form
    161,367.68/222,687.40 = 88,771.58/x
  3. Step 3: Cross multiply
    161,367.68x = 222,687.40 × 88,771.58
  4. Step 4: Simplify right side
    161,367.68x = 19,768,313,199.38
  5. Step 5: Solve for x
    x = 19,768,313,199.38/161,367.68
  6. Step 6: Final answer
    x = 122,504.79

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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.