Home / 177,993.18-268,228.09-161,131.41

Finding the Fourth Proportional to 177,993.18, 268,228.09 and 161,131.41

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Solution

The fourth proportional to 177,993.18, 268,228.09 and 161,131.41 is: 242,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,993.18 : 268,228.09 = 161,131.41 : x
  2. Step 2: Convert to fraction form
    177,993.18/268,228.09 = 161,131.41/x
  3. Step 3: Cross multiply
    177,993.18x = 268,228.09 × 161,131.41
  4. Step 4: Simplify right side
    177,993.18x = 43,219,970,544.72
  5. Step 5: Solve for x
    x = 43,219,970,544.72/177,993.18
  6. Step 6: Final answer
    x = 242,818.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.