Home / 166,032.22-249,096.12-81,817.69

Finding the Fourth Proportional to 166,032.22, 249,096.12 and 81,817.69

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Solution

The fourth proportional to 166,032.22, 249,096.12 and 81,817.69 is: 122,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,032.22 : 249,096.12 = 81,817.69 : x
  2. Step 2: Convert to fraction form
    166,032.22/249,096.12 = 81,817.69/x
  3. Step 3: Cross multiply
    166,032.22x = 249,096.12 × 81,817.69
  4. Step 4: Simplify right side
    166,032.22x = 20,380,469,126.36
  5. Step 5: Solve for x
    x = 20,380,469,126.36/166,032.22
  6. Step 6: Final answer
    x = 122,750.09

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1.5x scale

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.