Home / 132,249.09-182,530.23-78,563.91

Finding the Fourth Proportional to 132,249.09, 182,530.23 and 78,563.91

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Solution

The fourth proportional to 132,249.09, 182,530.23 and 78,563.91 is: 108,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,249.09 : 182,530.23 = 78,563.91 : x
  2. Step 2: Convert to fraction form
    132,249.09/182,530.23 = 78,563.91/x
  3. Step 3: Cross multiply
    132,249.09x = 182,530.23 × 78,563.91
  4. Step 4: Simplify right side
    132,249.09x = 14,340,288,562.00
  5. Step 5: Solve for x
    x = 14,340,288,562.00/132,249.09
  6. Step 6: Final answer
    x = 108,433.93

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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.