Home / 131,228.92-181,096.62-73,869.34

Finding the Fourth Proportional to 131,228.92, 181,096.62 and 73,869.34

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Solution

The fourth proportional to 131,228.92, 181,096.62 and 73,869.34 is: 101,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,228.92 : 181,096.62 = 73,869.34 : x
  2. Step 2: Convert to fraction form
    131,228.92/181,096.62 = 73,869.34/x
  3. Step 3: Cross multiply
    131,228.92x = 181,096.62 × 73,869.34
  4. Step 4: Simplify right side
    131,228.92x = 13,377,487,795.63
  5. Step 5: Solve for x
    x = 13,377,487,795.63/131,228.92
  6. Step 6: Final answer
    x = 101,940.09

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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.