Home / 132,754.26-183,215.82-81,757.02

Finding the Fourth Proportional to 132,754.26, 183,215.82 and 81,757.02

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Solution

The fourth proportional to 132,754.26, 183,215.82 and 81,757.02 is: 112,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,754.26 : 183,215.82 = 81,757.02 : x
  2. Step 2: Convert to fraction form
    132,754.26/183,215.82 = 81,757.02/x
  3. Step 3: Cross multiply
    132,754.26x = 183,215.82 × 81,757.02
  4. Step 4: Simplify right side
    132,754.26x = 14,979,179,460.06
  5. Step 5: Solve for x
    x = 14,979,179,460.06/132,754.26
  6. Step 6: Final answer
    x = 112,833.89

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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.