Home / 132,789.88-183,245.38-74,644.84

Finding the Fourth Proportional to 132,789.88, 183,245.38 and 74,644.84

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Solution

The fourth proportional to 132,789.88, 183,245.38 and 74,644.84 is: 103,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,789.88 : 183,245.38 = 74,644.84 : x
  2. Step 2: Convert to fraction form
    132,789.88/183,245.38 = 74,644.84/x
  3. Step 3: Cross multiply
    132,789.88x = 183,245.38 × 74,644.84
  4. Step 4: Simplify right side
    132,789.88x = 13,678,322,070.84
  5. Step 5: Solve for x
    x = 13,678,322,070.84/132,789.88
  6. Step 6: Final answer
    x = 103,007.26

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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.