Home / 132,305.00-182,609.64-81,361.53

Finding the Fourth Proportional to 132,305.00, 182,609.64 and 81,361.53

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Solution

The fourth proportional to 132,305.00, 182,609.64 and 81,361.53 is: 112,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,305.00 : 182,609.64 = 81,361.53 : x
  2. Step 2: Convert to fraction form
    132,305.00/182,609.64 = 81,361.53/x
  3. Step 3: Cross multiply
    132,305.00x = 182,609.64 × 81,361.53
  4. Step 4: Simplify right side
    132,305.00x = 14,857,399,703.15
  5. Step 5: Solve for x
    x = 14,857,399,703.15/132,305.00
  6. Step 6: Final answer
    x = 112,296.59

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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.