Home / 131,195.16-181,003.86-73,822.86

Finding the Fourth Proportional to 131,195.16, 181,003.86 and 73,822.86

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Solution

The fourth proportional to 131,195.16, 181,003.86 and 73,822.86 is: 101,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,195.16 : 181,003.86 = 73,822.86 : x
  2. Step 2: Convert to fraction form
    131,195.16/181,003.86 = 73,822.86/x
  3. Step 3: Cross multiply
    131,195.16x = 181,003.86 × 73,822.86
  4. Step 4: Simplify right side
    131,195.16x = 13,362,222,616.24
  5. Step 5: Solve for x
    x = 13,362,222,616.24/131,195.16
  6. Step 6: Final answer
    x = 101,849.97

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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.