Home / 115,212.44-172,608.12-83,544.04

Finding the Fourth Proportional to 115,212.44, 172,608.12 and 83,544.04

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Solution

The fourth proportional to 115,212.44, 172,608.12 and 83,544.04 is: 125,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,212.44 : 172,608.12 = 83,544.04 : x
  2. Step 2: Convert to fraction form
    115,212.44/172,608.12 = 83,544.04/x
  3. Step 3: Cross multiply
    115,212.44x = 172,608.12 × 83,544.04
  4. Step 4: Simplify right side
    115,212.44x = 14,420,379,681.60
  5. Step 5: Solve for x
    x = 14,420,379,681.60/115,212.44
  6. Step 6: Final answer
    x = 125,163.39

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1.5x scale

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.