Home / 166,065.18-249,137.30-53,745.39

Finding the Fourth Proportional to 166,065.18, 249,137.30 and 53,745.39

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Solution

The fourth proportional to 166,065.18, 249,137.30 and 53,745.39 is: 80,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,065.18 : 249,137.30 = 53,745.39 : x
  2. Step 2: Convert to fraction form
    166,065.18/249,137.30 = 53,745.39/x
  3. Step 3: Cross multiply
    166,065.18x = 249,137.30 × 53,745.39
  4. Step 4: Simplify right side
    166,065.18x = 13,389,981,940.61
  5. Step 5: Solve for x
    x = 13,389,981,940.61/166,065.18
  6. Step 6: Final answer
    x = 80,630.88

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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.