Home / 163,556.70-225,732.15-91,942.62

Finding the Fourth Proportional to 163,556.70, 225,732.15 and 91,942.62

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Solution

The fourth proportional to 163,556.70, 225,732.15 and 91,942.62 is: 126,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,556.70 : 225,732.15 = 91,942.62 : x
  2. Step 2: Convert to fraction form
    163,556.70/225,732.15 = 91,942.62/x
  3. Step 3: Cross multiply
    163,556.70x = 225,732.15 × 91,942.62
  4. Step 4: Simplify right side
    163,556.70x = 20,754,405,289.23
  5. Step 5: Solve for x
    x = 20,754,405,289.23/163,556.70
  6. Step 6: Final answer
    x = 126,894.25

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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.