Home / 152,509.08-228,698.82-82,369.56

Finding the Fourth Proportional to 152,509.08, 228,698.82 and 82,369.56

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Solution

The fourth proportional to 152,509.08, 228,698.82 and 82,369.56 is: 123,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,509.08 : 228,698.82 = 82,369.56 : x
  2. Step 2: Convert to fraction form
    152,509.08/228,698.82 = 82,369.56/x
  3. Step 3: Cross multiply
    152,509.08x = 228,698.82 × 82,369.56
  4. Step 4: Simplify right side
    152,509.08x = 18,837,821,175.92
  5. Step 5: Solve for x
    x = 18,837,821,175.92/152,509.08
  6. Step 6: Final answer
    x = 123,519.34

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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.