Home / 106,136.88-146,467.82-58,390.32

Finding the Fourth Proportional to 106,136.88, 146,467.82 and 58,390.32

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Solution

The fourth proportional to 106,136.88, 146,467.82 and 58,390.32 is: 80,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,136.88 : 146,467.82 = 58,390.32 : x
  2. Step 2: Convert to fraction form
    106,136.88/146,467.82 = 58,390.32/x
  3. Step 3: Cross multiply
    106,136.88x = 146,467.82 × 58,390.32
  4. Step 4: Simplify right side
    106,136.88x = 8,552,302,879.50
  5. Step 5: Solve for x
    x = 8,552,302,879.50/106,136.88
  6. Step 6: Final answer
    x = 80,578.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.