Home / 116,136.05-174,147.69-68,117.73

Finding the Fourth Proportional to 116,136.05, 174,147.69 and 68,117.73

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Solution

The fourth proportional to 116,136.05, 174,147.69 and 68,117.73 is: 102,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,136.05 : 174,147.69 = 68,117.73 : x
  2. Step 2: Convert to fraction form
    116,136.05/174,147.69 = 68,117.73/x
  3. Step 3: Cross multiply
    116,136.05x = 174,147.69 × 68,117.73
  4. Step 4: Simplify right side
    116,136.05x = 11,862,545,327.54
  5. Step 5: Solve for x
    x = 11,862,545,327.54/116,136.05
  6. Step 6: Final answer
    x = 102,143.53

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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.