Home / 132,634.13-182,980.94-81,631.44

Finding the Fourth Proportional to 132,634.13, 182,980.94 and 81,631.44

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Solution

The fourth proportional to 132,634.13, 182,980.94 and 81,631.44 is: 112,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,634.13 : 182,980.94 = 81,631.44 : x
  2. Step 2: Convert to fraction form
    132,634.13/182,980.94 = 81,631.44/x
  3. Step 3: Cross multiply
    132,634.13x = 182,980.94 × 81,631.44
  4. Step 4: Simplify right side
    132,634.13x = 14,936,997,216.60
  5. Step 5: Solve for x
    x = 14,936,997,216.60/132,634.13
  6. Step 6: Final answer
    x = 112,618.06

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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.