Home / 171,396.14-236,469.38-99,760.95

Finding the Fourth Proportional to 171,396.14, 236,469.38 and 99,760.95

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Solution

The fourth proportional to 171,396.14, 236,469.38 and 99,760.95 is: 137,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,396.14 : 236,469.38 = 99,760.95 : x
  2. Step 2: Convert to fraction form
    171,396.14/236,469.38 = 99,760.95/x
  3. Step 3: Cross multiply
    171,396.14x = 236,469.38 × 99,760.95
  4. Step 4: Simplify right side
    171,396.14x = 23,590,409,495.91
  5. Step 5: Solve for x
    x = 23,590,409,495.91/171,396.14
  6. Step 6: Final answer
    x = 137,636.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.