Home / 181,910.61-251,021.73-104,389.66

Finding the Fourth Proportional to 181,910.61, 251,021.73 and 104,389.66

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Solution

The fourth proportional to 181,910.61, 251,021.73 and 104,389.66 is: 144,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,910.61 : 251,021.73 = 104,389.66 : x
  2. Step 2: Convert to fraction form
    181,910.61/251,021.73 = 104,389.66/x
  3. Step 3: Cross multiply
    181,910.61x = 251,021.73 × 104,389.66
  4. Step 4: Simplify right side
    181,910.61x = 26,204,073,752.55
  5. Step 5: Solve for x
    x = 26,204,073,752.55/181,910.61
  6. Step 6: Final answer
    x = 144,049.18

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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.