Home / 150,717.88-207,977.64-82,734.60

Finding the Fourth Proportional to 150,717.88, 207,977.64 and 82,734.60

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Solution

The fourth proportional to 150,717.88, 207,977.64 and 82,734.60 is: 114,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,717.88 : 207,977.64 = 82,734.60 : x
  2. Step 2: Convert to fraction form
    150,717.88/207,977.64 = 82,734.60/x
  3. Step 3: Cross multiply
    150,717.88x = 207,977.64 × 82,734.60
  4. Step 4: Simplify right side
    150,717.88x = 17,206,946,854.34
  5. Step 5: Solve for x
    x = 17,206,946,854.34/150,717.88
  6. Step 6: Final answer
    x = 114,166.59

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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.