Home / 221,966.37-332,998.86-103,573.11

Finding the Fourth Proportional to 221,966.37, 332,998.86 and 103,573.11

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Solution

The fourth proportional to 221,966.37, 332,998.86 and 103,573.11 is: 155,382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,966.37 : 332,998.86 = 103,573.11 : x
  2. Step 2: Convert to fraction form
    221,966.37/332,998.86 = 103,573.11/x
  3. Step 3: Cross multiply
    221,966.37x = 332,998.86 × 103,573.11
  4. Step 4: Simplify right side
    221,966.37x = 34,489,727,556.65
  5. Step 5: Solve for x
    x = 34,489,727,556.65/221,966.37
  6. Step 6: Final answer
    x = 155,382.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.