Home / 181,735.35-272,634.21-69,425.61

Finding the Fourth Proportional to 181,735.35, 272,634.21 and 69,425.61

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Solution

The fourth proportional to 181,735.35, 272,634.21 and 69,425.61 is: 104,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,735.35 : 272,634.21 = 69,425.61 : x
  2. Step 2: Convert to fraction form
    181,735.35/272,634.21 = 69,425.61/x
  3. Step 3: Cross multiply
    181,735.35x = 272,634.21 × 69,425.61
  4. Step 4: Simplify right side
    181,735.35x = 18,927,796,336.12
  5. Step 5: Solve for x
    x = 18,927,796,336.12/181,735.35
  6. Step 6: Final answer
    x = 104,150.33

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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.