Home / 132,231.92-182,556.36-100,345.04

Finding the Fourth Proportional to 132,231.92, 182,556.36 and 100,345.04

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Solution

The fourth proportional to 132,231.92, 182,556.36 and 100,345.04 is: 138,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,231.92 : 182,556.36 = 100,345.04 : x
  2. Step 2: Convert to fraction form
    132,231.92/182,556.36 = 100,345.04/x
  3. Step 3: Cross multiply
    132,231.92x = 182,556.36 × 100,345.04
  4. Step 4: Simplify right side
    132,231.92x = 18,318,625,246.45
  5. Step 5: Solve for x
    x = 18,318,625,246.45/132,231.92
  6. Step 6: Final answer
    x = 138,534.06

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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.