Home / 252,213.69-348,057.23-139,040.49

Finding the Fourth Proportional to 252,213.69, 348,057.23 and 139,040.49

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Solution

The fourth proportional to 252,213.69, 348,057.23 and 139,040.49 is: 191,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,213.69 : 348,057.23 = 139,040.49 : x
  2. Step 2: Convert to fraction form
    252,213.69/348,057.23 = 139,040.49/x
  3. Step 3: Cross multiply
    252,213.69x = 348,057.23 × 139,040.49
  4. Step 4: Simplify right side
    252,213.69x = 48,394,047,112.04
  5. Step 5: Solve for x
    x = 48,394,047,112.04/252,213.69
  6. Step 6: Final answer
    x = 191,877.16

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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.