Home / 171,536.68-257,357.96-76,846.60

Finding the Fourth Proportional to 171,536.68, 257,357.96 and 76,846.60

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Solution

The fourth proportional to 171,536.68, 257,357.96 and 76,846.60 is: 115,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,536.68 : 257,357.96 = 76,846.60 : x
  2. Step 2: Convert to fraction form
    171,536.68/257,357.96 = 76,846.60/x
  3. Step 3: Cross multiply
    171,536.68x = 257,357.96 × 76,846.60
  4. Step 4: Simplify right side
    171,536.68x = 19,777,084,208.94
  5. Step 5: Solve for x
    x = 19,777,084,208.94/171,536.68
  6. Step 6: Final answer
    x = 115,293.62

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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.