Home / 166,743.42-230,105.44-91,291.38

Finding the Fourth Proportional to 166,743.42, 230,105.44 and 91,291.38

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Solution

The fourth proportional to 166,743.42, 230,105.44 and 91,291.38 is: 125,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,743.42 : 230,105.44 = 91,291.38 : x
  2. Step 2: Convert to fraction form
    166,743.42/230,105.44 = 91,291.38/x
  3. Step 3: Cross multiply
    166,743.42x = 230,105.44 × 91,291.38
  4. Step 4: Simplify right side
    166,743.42x = 21,006,643,163.11
  5. Step 5: Solve for x
    x = 21,006,643,163.11/166,743.42
  6. Step 6: Final answer
    x = 125,981.84

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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.