Home / 161,538.27-222,884.73-135,794.73

Finding the Fourth Proportional to 161,538.27, 222,884.73 and 135,794.73

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Solution

The fourth proportional to 161,538.27, 222,884.73 and 135,794.73 is: 187,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,538.27 : 222,884.73 = 135,794.73 : x
  2. Step 2: Convert to fraction form
    161,538.27/222,884.73 = 135,794.73/x
  3. Step 3: Cross multiply
    161,538.27x = 222,884.73 × 135,794.73
  4. Step 4: Simplify right side
    161,538.27x = 30,266,571,731.47
  5. Step 5: Solve for x
    x = 30,266,571,731.47/161,538.27
  6. Step 6: Final answer
    x = 187,364.71

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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.