Home / 132,932.36-183,442.19-79,189.54

Finding the Fourth Proportional to 132,932.36, 183,442.19 and 79,189.54

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Solution

The fourth proportional to 132,932.36, 183,442.19 and 79,189.54 is: 109,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,932.36 : 183,442.19 = 79,189.54 : x
  2. Step 2: Convert to fraction form
    132,932.36/183,442.19 = 79,189.54/x
  3. Step 3: Cross multiply
    132,932.36x = 183,442.19 × 79,189.54
  4. Step 4: Simplify right side
    132,932.36x = 14,526,701,788.14
  5. Step 5: Solve for x
    x = 14,526,701,788.14/132,932.36
  6. Step 6: Final answer
    x = 109,278.90

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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.