Home / 172,083.06-258,161.04-53,763.32

Finding the Fourth Proportional to 172,083.06, 258,161.04 and 53,763.32

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Solution

The fourth proportional to 172,083.06, 258,161.04 and 53,763.32 is: 80,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,083.06 : 258,161.04 = 53,763.32 : x
  2. Step 2: Convert to fraction form
    172,083.06/258,161.04 = 53,763.32/x
  3. Step 3: Cross multiply
    172,083.06x = 258,161.04 × 53,763.32
  4. Step 4: Simplify right side
    172,083.06x = 13,879,594,605.05
  5. Step 5: Solve for x
    x = 13,879,594,605.05/172,083.06
  6. Step 6: Final answer
    x = 80,656.37

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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.