Home / 213,136.38-294,022.05-148,740.66

Finding the Fourth Proportional to 213,136.38, 294,022.05 and 148,740.66

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Solution

The fourth proportional to 213,136.38, 294,022.05 and 148,740.66 is: 205,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,136.38 : 294,022.05 = 148,740.66 : x
  2. Step 2: Convert to fraction form
    213,136.38/294,022.05 = 148,740.66/x
  3. Step 3: Cross multiply
    213,136.38x = 294,022.05 × 148,740.66
  4. Step 4: Simplify right side
    213,136.38x = 43,733,033,771.55
  5. Step 5: Solve for x
    x = 43,733,033,771.55/213,136.38
  6. Step 6: Final answer
    x = 205,188.03

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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.