Home / 182,086.87-251,282.10-105,623.68

Finding the Fourth Proportional to 182,086.87, 251,282.10 and 105,623.68

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Solution

The fourth proportional to 182,086.87, 251,282.10 and 105,623.68 is: 145,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,086.87 : 251,282.10 = 105,623.68 : x
  2. Step 2: Convert to fraction form
    182,086.87/251,282.10 = 105,623.68/x
  3. Step 3: Cross multiply
    182,086.87x = 251,282.10 × 105,623.68
  4. Step 4: Simplify right side
    182,086.87x = 26,541,340,120.13
  5. Step 5: Solve for x
    x = 26,541,340,120.13/182,086.87
  6. Step 6: Final answer
    x = 145,761.97

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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.