Home / 166,775.40-250,076.70-61,540.20

Finding the Fourth Proportional to 166,775.40, 250,076.70 and 61,540.20

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Solution

The fourth proportional to 166,775.40, 250,076.70 and 61,540.20 is: 92,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,775.40 : 250,076.70 = 61,540.20 : x
  2. Step 2: Convert to fraction form
    166,775.40/250,076.70 = 61,540.20/x
  3. Step 3: Cross multiply
    166,775.40x = 250,076.70 × 61,540.20
  4. Step 4: Simplify right side
    166,775.40x = 15,389,770,133.34
  5. Step 5: Solve for x
    x = 15,389,770,133.34/166,775.40
  6. Step 6: Final answer
    x = 92,278.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.