Home / 171,824.77-257,837.64-71,976.52

Finding the Fourth Proportional to 171,824.77, 257,837.64 and 71,976.52

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Solution

The fourth proportional to 171,824.77, 257,837.64 and 71,976.52 is: 108,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,824.77 : 257,837.64 = 71,976.52 : x
  2. Step 2: Convert to fraction form
    171,824.77/257,837.64 = 71,976.52/x
  3. Step 3: Cross multiply
    171,824.77x = 257,837.64 × 71,976.52
  4. Step 4: Simplify right side
    171,824.77x = 18,558,256,052.21
  5. Step 5: Solve for x
    x = 18,558,256,052.21/171,824.77
  6. Step 6: Final answer
    x = 108,006.87

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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.