Home / 152,722.41-228,991.53-68,467.32

Finding the Fourth Proportional to 152,722.41, 228,991.53 and 68,467.32

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Solution

The fourth proportional to 152,722.41, 228,991.53 and 68,467.32 is: 102,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,722.41 : 228,991.53 = 68,467.32 : x
  2. Step 2: Convert to fraction form
    152,722.41/228,991.53 = 68,467.32/x
  3. Step 3: Cross multiply
    152,722.41x = 228,991.53 × 68,467.32
  4. Step 4: Simplify right side
    152,722.41x = 15,678,436,361.80
  5. Step 5: Solve for x
    x = 15,678,436,361.80/152,722.41
  6. Step 6: Final answer
    x = 102,659.70

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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.