Home / 541,128.44-811,669.38-141,760.37

Finding the Fourth Proportional to 541,128.44, 811,669.38 and 141,760.37

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Solution

The fourth proportional to 541,128.44, 811,669.38 and 141,760.37 is: 212,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,128.44 : 811,669.38 = 141,760.37 : x
  2. Step 2: Convert to fraction form
    541,128.44/811,669.38 = 141,760.37/x
  3. Step 3: Cross multiply
    541,128.44x = 811,669.38 × 141,760.37
  4. Step 4: Simplify right side
    541,128.44x = 115,062,550,917.67
  5. Step 5: Solve for x
    x = 115,062,550,917.67/541,128.44
  6. Step 6: Final answer
    x = 212,634.45

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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.