Home / 411,170.27-616,813.38-126,883.96

Finding the Fourth Proportional to 411,170.27, 616,813.38 and 126,883.96

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Solution

The fourth proportional to 411,170.27, 616,813.38 and 126,883.96 is: 190,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,170.27 : 616,813.38 = 126,883.96 : x
  2. Step 2: Convert to fraction form
    411,170.27/616,813.38 = 126,883.96/x
  3. Step 3: Cross multiply
    411,170.27x = 616,813.38 × 126,883.96
  4. Step 4: Simplify right side
    411,170.27x = 78,263,724,235.38
  5. Step 5: Solve for x
    x = 78,263,724,235.38/411,170.27
  6. Step 6: Final answer
    x = 190,343.83

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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.