Home / 240,826.22-361,134.62-128,481.38

Finding the Fourth Proportional to 240,826.22, 361,134.62 and 128,481.38

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Solution

The fourth proportional to 240,826.22, 361,134.62 and 128,481.38 is: 192,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,826.22 : 361,134.62 = 128,481.38 : x
  2. Step 2: Convert to fraction form
    240,826.22/361,134.62 = 128,481.38/x
  3. Step 3: Cross multiply
    240,826.22x = 361,134.62 × 128,481.38
  4. Step 4: Simplify right side
    240,826.22x = 46,399,074,343.38
  5. Step 5: Solve for x
    x = 46,399,074,343.38/240,826.22
  6. Step 6: Final answer
    x = 192,666.21

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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.