Home / 166,078.82-249,157.78-53,759.06

Finding the Fourth Proportional to 166,078.82, 249,157.78 and 53,759.06

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Solution

The fourth proportional to 166,078.82, 249,157.78 and 53,759.06 is: 80,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,078.82 : 249,157.78 = 53,759.06 : x
  2. Step 2: Convert to fraction form
    166,078.82/249,157.78 = 53,759.06/x
  3. Step 3: Cross multiply
    166,078.82x = 249,157.78 × 53,759.06
  4. Step 4: Simplify right side
    166,078.82x = 13,394,488,044.49
  5. Step 5: Solve for x
    x = 13,394,488,044.49/166,078.82
  6. Step 6: Final answer
    x = 80,651.39

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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.