Home / 181,563.46-250,553.96-100,989.24

Finding the Fourth Proportional to 181,563.46, 250,553.96 and 100,989.24

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Solution

The fourth proportional to 181,563.46, 250,553.96 and 100,989.24 is: 139,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,563.46 : 250,553.96 = 100,989.24 : x
  2. Step 2: Convert to fraction form
    181,563.46/250,553.96 = 100,989.24/x
  3. Step 3: Cross multiply
    181,563.46x = 250,553.96 × 100,989.24
  4. Step 4: Simplify right side
    181,563.46x = 25,303,253,999.39
  5. Step 5: Solve for x
    x = 25,303,253,999.39/181,563.46
  6. Step 6: Final answer
    x = 139,363.14

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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.