Home / 132,100.45-182,398.43-81,183.44

Finding the Fourth Proportional to 132,100.45, 182,398.43 and 81,183.44

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Solution

The fourth proportional to 132,100.45, 182,398.43 and 81,183.44 is: 112,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,100.45 : 182,398.43 = 81,183.44 : x
  2. Step 2: Convert to fraction form
    132,100.45/182,398.43 = 81,183.44/x
  3. Step 3: Cross multiply
    132,100.45x = 182,398.43 × 81,183.44
  4. Step 4: Simplify right side
    132,100.45x = 14,807,731,998.00
  5. Step 5: Solve for x
    x = 14,807,731,998.00/132,100.45
  6. Step 6: Final answer
    x = 112,094.49

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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.