Home / 166,142.81-229,277.18-102,517.52

Finding the Fourth Proportional to 166,142.81, 229,277.18 and 102,517.52

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Solution

The fourth proportional to 166,142.81, 229,277.18 and 102,517.52 is: 141,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,142.81 : 229,277.18 = 102,517.52 : x
  2. Step 2: Convert to fraction form
    166,142.81/229,277.18 = 102,517.52/x
  3. Step 3: Cross multiply
    166,142.81x = 229,277.18 × 102,517.52
  4. Step 4: Simplify right side
    166,142.81x = 23,504,926,996.10
  5. Step 5: Solve for x
    x = 23,504,926,996.10/166,142.81
  6. Step 6: Final answer
    x = 141,474.23

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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.