Home / 221,385.41-332,323.94-114,740.81

Finding the Fourth Proportional to 221,385.41, 332,323.94 and 114,740.81

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Solution

The fourth proportional to 221,385.41, 332,323.94 and 114,740.81 is: 172,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,385.41 : 332,323.94 = 114,740.81 : x
  2. Step 2: Convert to fraction form
    221,385.41/332,323.94 = 114,740.81/x
  3. Step 3: Cross multiply
    221,385.41x = 332,323.94 × 114,740.81
  4. Step 4: Simplify right side
    221,385.41x = 38,131,118,057.99
  5. Step 5: Solve for x
    x = 38,131,118,057.99/221,385.41
  6. Step 6: Final answer
    x = 172,238.62

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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.