Home / 152,121.32-228,133.44-52,257.44

Finding the Fourth Proportional to 152,121.32, 228,133.44 and 52,257.44

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Solution

The fourth proportional to 152,121.32, 228,133.44 and 52,257.44 is: 78,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,121.32 : 228,133.44 = 52,257.44 : x
  2. Step 2: Convert to fraction form
    152,121.32/228,133.44 = 52,257.44/x
  3. Step 3: Cross multiply
    152,121.32x = 228,133.44 × 52,257.44
  4. Step 4: Simplify right side
    152,121.32x = 11,921,669,552.79
  5. Step 5: Solve for x
    x = 11,921,669,552.79/152,121.32
  6. Step 6: Final answer
    x = 78,369.49

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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.