Home / 106,106.94-146,408.04-63,100.80

Finding the Fourth Proportional to 106,106.94, 146,408.04 and 63,100.80

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Solution

The fourth proportional to 106,106.94, 146,408.04 and 63,100.80 is: 87,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,106.94 : 146,408.04 = 63,100.80 : x
  2. Step 2: Convert to fraction form
    106,106.94/146,408.04 = 63,100.80/x
  3. Step 3: Cross multiply
    106,106.94x = 146,408.04 × 63,100.80
  4. Step 4: Simplify right side
    106,106.94x = 9,238,464,450.43
  5. Step 5: Solve for x
    x = 9,238,464,450.43/106,106.94
  6. Step 6: Final answer
    x = 87,067.49

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1.5x scale

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.