Home / 181,298.13-271,853.82-81,372.66

Finding the Fourth Proportional to 181,298.13, 271,853.82 and 81,372.66

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Solution

The fourth proportional to 181,298.13, 271,853.82 and 81,372.66 is: 122,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,298.13 : 271,853.82 = 81,372.66 : x
  2. Step 2: Convert to fraction form
    181,298.13/271,853.82 = 81,372.66/x
  3. Step 3: Cross multiply
    181,298.13x = 271,853.82 × 81,372.66
  4. Step 4: Simplify right side
    181,298.13x = 22,121,468,464.56
  5. Step 5: Solve for x
    x = 22,121,468,464.56/181,298.13
  6. Step 6: Final answer
    x = 122,017.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.