Home / 166,259.75-229,438.46-90,808.43

Finding the Fourth Proportional to 166,259.75, 229,438.46 and 90,808.43

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Solution

The fourth proportional to 166,259.75, 229,438.46 and 90,808.43 is: 125,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,259.75 : 229,438.46 = 90,808.43 : x
  2. Step 2: Convert to fraction form
    166,259.75/229,438.46 = 90,808.43/x
  3. Step 3: Cross multiply
    166,259.75x = 229,438.46 × 90,808.43
  4. Step 4: Simplify right side
    166,259.75x = 20,834,945,880.18
  5. Step 5: Solve for x
    x = 20,834,945,880.18/166,259.75
  6. Step 6: Final answer
    x = 125,315.63

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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.