Home / 132,021.22-181,881.30-108,007.96

Finding the Fourth Proportional to 132,021.22, 181,881.30 and 108,007.96

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Solution

The fourth proportional to 132,021.22, 181,881.30 and 108,007.96 is: 148,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,021.22 : 181,881.30 = 108,007.96 : x
  2. Step 2: Convert to fraction form
    132,021.22/181,881.30 = 108,007.96/x
  3. Step 3: Cross multiply
    132,021.22x = 181,881.30 × 108,007.96
  4. Step 4: Simplify right side
    132,021.22x = 19,644,628,175.15
  5. Step 5: Solve for x
    x = 19,644,628,175.15/132,021.22
  6. Step 6: Final answer
    x = 148,799.02

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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.