Home / 166,112.40-249,136.20-53,765.40

Finding the Fourth Proportional to 166,112.40, 249,136.20 and 53,765.40

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Solution

The fourth proportional to 166,112.40, 249,136.20 and 53,765.40 is: 80,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,112.40 : 249,136.20 = 53,765.40 : x
  2. Step 2: Convert to fraction form
    166,112.40/249,136.20 = 53,765.40/x
  3. Step 3: Cross multiply
    166,112.40x = 249,136.20 × 53,765.40
  4. Step 4: Simplify right side
    166,112.40x = 13,394,907,447.48
  5. Step 5: Solve for x
    x = 13,394,907,447.48/166,112.40
  6. Step 6: Final answer
    x = 80,637.61

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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.