Home / 131,222.03-181,100.94-73,863.11

Finding the Fourth Proportional to 131,222.03, 181,100.94 and 73,863.11

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Solution

The fourth proportional to 131,222.03, 181,100.94 and 73,863.11 is: 101,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,222.03 : 181,100.94 = 73,863.11 : x
  2. Step 2: Convert to fraction form
    131,222.03/181,100.94 = 73,863.11/x
  3. Step 3: Cross multiply
    131,222.03x = 181,100.94 × 73,863.11
  4. Step 4: Simplify right side
    131,222.03x = 13,376,678,652.32
  5. Step 5: Solve for x
    x = 13,376,678,652.32/131,222.03
  6. Step 6: Final answer
    x = 101,939.28

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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.