Home / 171,902.94-257,907.22-82,060.32

Finding the Fourth Proportional to 171,902.94, 257,907.22 and 82,060.32

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Solution

The fourth proportional to 171,902.94, 257,907.22 and 82,060.32 is: 123,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,902.94 : 257,907.22 = 82,060.32 : x
  2. Step 2: Convert to fraction form
    171,902.94/257,907.22 = 82,060.32/x
  3. Step 3: Cross multiply
    171,902.94x = 257,907.22 × 82,060.32
  4. Step 4: Simplify right side
    171,902.94x = 21,163,949,003.51
  5. Step 5: Solve for x
    x = 21,163,949,003.51/171,902.94
  6. Step 6: Final answer
    x = 123,115.69

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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.