Home / 181,182.09-271,605.47-68,828.61

Finding the Fourth Proportional to 181,182.09, 271,605.47 and 68,828.61

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Solution

The fourth proportional to 181,182.09, 271,605.47 and 68,828.61 is: 103,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,182.09 : 271,605.47 = 68,828.61 : x
  2. Step 2: Convert to fraction form
    181,182.09/271,605.47 = 68,828.61/x
  3. Step 3: Cross multiply
    181,182.09x = 271,605.47 × 68,828.61
  4. Step 4: Simplify right side
    181,182.09x = 18,694,226,624.35
  5. Step 5: Solve for x
    x = 18,694,226,624.35/181,182.09
  6. Step 6: Final answer
    x = 103,179.22

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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.