Home / 172,274.24-258,390.86-45,923.96

Finding the Fourth Proportional to 172,274.24, 258,390.86 and 45,923.96

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Solution

The fourth proportional to 172,274.24, 258,390.86 and 45,923.96 is: 68,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,274.24 : 258,390.86 = 45,923.96 : x
  2. Step 2: Convert to fraction form
    172,274.24/258,390.86 = 45,923.96/x
  3. Step 3: Cross multiply
    172,274.24x = 258,390.86 × 45,923.96
  4. Step 4: Simplify right side
    172,274.24x = 11,866,329,997.43
  5. Step 5: Solve for x
    x = 11,866,329,997.43/172,274.24
  6. Step 6: Final answer
    x = 68,880.47

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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.