Home / 166,722.42-230,076.92-90,241.50

Finding the Fourth Proportional to 166,722.42, 230,076.92 and 90,241.50

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Solution

The fourth proportional to 166,722.42, 230,076.92 and 90,241.50 is: 124,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,722.42 : 230,076.92 = 90,241.50 : x
  2. Step 2: Convert to fraction form
    166,722.42/230,076.92 = 90,241.50/x
  3. Step 3: Cross multiply
    166,722.42x = 230,076.92 × 90,241.50
  4. Step 4: Simplify right side
    166,722.42x = 20,762,485,924.97
  5. Step 5: Solve for x
    x = 20,762,485,924.97/166,722.42
  6. Step 6: Final answer
    x = 124,533.26

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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.