Home / 132,932.87-183,442.88-79,190.04

Finding the Fourth Proportional to 132,932.87, 183,442.88 and 79,190.04

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Solution

The fourth proportional to 132,932.87, 183,442.88 and 79,190.04 is: 109,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,932.87 : 183,442.88 = 79,190.04 : x
  2. Step 2: Convert to fraction form
    132,932.87/183,442.88 = 79,190.04/x
  3. Step 3: Cross multiply
    132,932.87x = 183,442.88 × 79,190.04
  4. Step 4: Simplify right side
    132,932.87x = 14,526,848,608.97
  5. Step 5: Solve for x
    x = 14,526,848,608.97/132,932.87
  6. Step 6: Final answer
    x = 109,279.59

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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.