Home / 349,128.81-481,798.33-198,225.81

Finding the Fourth Proportional to 349,128.81, 481,798.33 and 198,225.81

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Solution

The fourth proportional to 349,128.81, 481,798.33 and 198,225.81 is: 273,551.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,128.81 : 481,798.33 = 198,225.81 : x
  2. Step 2: Convert to fraction form
    349,128.81/481,798.33 = 198,225.81/x
  3. Step 3: Cross multiply
    349,128.81x = 481,798.33 × 198,225.81
  4. Step 4: Simplify right side
    349,128.81x = 95,504,863,725.33
  5. Step 5: Solve for x
    x = 95,504,863,725.33/349,128.81
  6. Step 6: Final answer
    x = 273,551.94

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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.