Home / 166,742.82-230,105.10-91,291.32

Finding the Fourth Proportional to 166,742.82, 230,105.10 and 91,291.32

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Solution

The fourth proportional to 166,742.82, 230,105.10 and 91,291.32 is: 125,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,742.82 : 230,105.10 = 91,291.32 : x
  2. Step 2: Convert to fraction form
    166,742.82/230,105.10 = 91,291.32/x
  3. Step 3: Cross multiply
    166,742.82x = 230,105.10 × 91,291.32
  4. Step 4: Simplify right side
    166,742.82x = 21,006,598,317.73
  5. Step 5: Solve for x
    x = 21,006,598,317.73/166,742.82
  6. Step 6: Final answer
    x = 125,982.03

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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.