Home / 183,738.56-253,573.92-103,171.44

Finding the Fourth Proportional to 183,738.56, 253,573.92 and 103,171.44

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Solution

The fourth proportional to 183,738.56, 253,573.92 and 103,171.44 is: 142,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,738.56 : 253,573.92 = 103,171.44 : x
  2. Step 2: Convert to fraction form
    183,738.56/253,573.92 = 103,171.44/x
  3. Step 3: Cross multiply
    183,738.56x = 253,573.92 × 103,171.44
  4. Step 4: Simplify right side
    183,738.56x = 26,161,586,472.84
  5. Step 5: Solve for x
    x = 26,161,586,472.84/183,738.56
  6. Step 6: Final answer
    x = 142,384.85

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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.