Home / 132,162.98-182,133.51-129,734.06

Finding the Fourth Proportional to 132,162.98, 182,133.51 and 129,734.06

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Solution

The fourth proportional to 132,162.98, 182,133.51 and 129,734.06 is: 178,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,162.98 : 182,133.51 = 129,734.06 : x
  2. Step 2: Convert to fraction form
    132,162.98/182,133.51 = 129,734.06/x
  3. Step 3: Cross multiply
    132,162.98x = 182,133.51 × 129,734.06
  4. Step 4: Simplify right side
    132,162.98x = 23,628,919,714.35
  5. Step 5: Solve for x
    x = 23,628,919,714.35/132,162.98
  6. Step 6: Final answer
    x = 178,786.22

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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.