Home / 166,291.75-229,487.66-90,845.11

Finding the Fourth Proportional to 166,291.75, 229,487.66 and 90,845.11

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Solution

The fourth proportional to 166,291.75, 229,487.66 and 90,845.11 is: 125,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,291.75 : 229,487.66 = 90,845.11 : x
  2. Step 2: Convert to fraction form
    166,291.75/229,487.66 = 90,845.11/x
  3. Step 3: Cross multiply
    166,291.75x = 229,487.66 × 90,845.11
  4. Step 4: Simplify right side
    166,291.75x = 20,847,831,716.34
  5. Step 5: Solve for x
    x = 20,847,831,716.34/166,291.75
  6. Step 6: Final answer
    x = 125,369.01

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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.