Home / 182,405.78-251,675.55-106,939.70

Finding the Fourth Proportional to 182,405.78, 251,675.55 and 106,939.70

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Solution

The fourth proportional to 182,405.78, 251,675.55 and 106,939.70 is: 147,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,405.78 : 251,675.55 = 106,939.70 : x
  2. Step 2: Convert to fraction form
    182,405.78/251,675.55 = 106,939.70/x
  3. Step 3: Cross multiply
    182,405.78x = 251,675.55 × 106,939.70
  4. Step 4: Simplify right side
    182,405.78x = 26,914,107,814.34
  5. Step 5: Solve for x
    x = 26,914,107,814.34/182,405.78
  6. Step 6: Final answer
    x = 147,550.74

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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.