Home / 216,936.87-325,474.43-172,734.63

Finding the Fourth Proportional to 216,936.87, 325,474.43 and 172,734.63

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Solution

The fourth proportional to 216,936.87, 325,474.43 and 172,734.63 is: 259,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,936.87 : 325,474.43 = 172,734.63 : x
  2. Step 2: Convert to fraction form
    216,936.87/325,474.43 = 172,734.63/x
  3. Step 3: Cross multiply
    216,936.87x = 325,474.43 × 172,734.63
  4. Step 4: Simplify right side
    216,936.87x = 56,220,704,376.84
  5. Step 5: Solve for x
    x = 56,220,704,376.84/216,936.87
  6. Step 6: Final answer
    x = 259,156.98

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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.