Home / 124,105.23-170,832.51-108,162

Finding the Fourth Proportional to 124,105.23, 170,832.51 and 108,162

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Solution

The fourth proportional to 124,105.23, 170,832.51 and 108,162 is: 148,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,105.23 : 170,832.51 = 108,162 : x
  2. Step 2: Convert to fraction form
    124,105.23/170,832.51 = 108,162/x
  3. Step 3: Cross multiply
    124,105.23x = 170,832.51 × 108,162
  4. Step 4: Simplify right side
    124,105.23x = 18,477,585,946.62
  5. Step 5: Solve for x
    x = 18,477,585,946.62/124,105.23
  6. Step 6: Final answer
    x = 148,886.44

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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.