Home / 266,722.42-368,491.39-223,635.10

Finding the Fourth Proportional to 266,722.42, 368,491.39 and 223,635.10

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Solution

The fourth proportional to 266,722.42, 368,491.39 and 223,635.10 is: 308,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,722.42 : 368,491.39 = 223,635.10 : x
  2. Step 2: Convert to fraction form
    266,722.42/368,491.39 = 223,635.10/x
  3. Step 3: Cross multiply
    266,722.42x = 368,491.39 × 223,635.10
  4. Step 4: Simplify right side
    266,722.42x = 82,407,609,413.26
  5. Step 5: Solve for x
    x = 82,407,609,413.26/266,722.42
  6. Step 6: Final answer
    x = 308,963.94

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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.