Home / 241,789.64-362,589.48-81,821.52

Finding the Fourth Proportional to 241,789.64, 362,589.48 and 81,821.52

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Solution

The fourth proportional to 241,789.64, 362,589.48 and 81,821.52 is: 122,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,789.64 : 362,589.48 = 81,821.52 : x
  2. Step 2: Convert to fraction form
    241,789.64/362,589.48 = 81,821.52/x
  3. Step 3: Cross multiply
    241,789.64x = 362,589.48 × 81,821.52
  4. Step 4: Simplify right side
    241,789.64x = 29,667,622,389.61
  5. Step 5: Solve for x
    x = 29,667,622,389.61/241,789.64
  6. Step 6: Final answer
    x = 122,700.14

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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.