Home / 172,165.06-258,237.87-53,822.44

Finding the Fourth Proportional to 172,165.06, 258,237.87 and 53,822.44

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Solution

The fourth proportional to 172,165.06, 258,237.87 and 53,822.44 is: 80,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,165.06 : 258,237.87 = 53,822.44 : x
  2. Step 2: Convert to fraction form
    172,165.06/258,237.87 = 53,822.44/x
  3. Step 3: Cross multiply
    172,165.06x = 258,237.87 × 53,822.44
  4. Step 4: Simplify right side
    172,165.06x = 13,898,992,263.80
  5. Step 5: Solve for x
    x = 13,898,992,263.80/172,165.06
  6. Step 6: Final answer
    x = 80,730.62

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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.