Home / 138,792.08-208,187.39-33,611.04

Finding the Fourth Proportional to 138,792.08, 208,187.39 and 33,611.04

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Solution

The fourth proportional to 138,792.08, 208,187.39 and 33,611.04 is: 50,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,792.08 : 208,187.39 = 33,611.04 : x
  2. Step 2: Convert to fraction form
    138,792.08/208,187.39 = 33,611.04/x
  3. Step 3: Cross multiply
    138,792.08x = 208,187.39 × 33,611.04
  4. Step 4: Simplify right side
    138,792.08x = 6,997,394,524.73
  5. Step 5: Solve for x
    x = 6,997,394,524.73/138,792.08
  6. Step 6: Final answer
    x = 50,416.38

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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.