Home / 181,633.11-272,493.40-56,974.11

Finding the Fourth Proportional to 181,633.11, 272,493.40 and 56,974.11

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Solution

The fourth proportional to 181,633.11, 272,493.40 and 56,974.11 is: 85,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,633.11 : 272,493.40 = 56,974.11 : x
  2. Step 2: Convert to fraction form
    181,633.11/272,493.40 = 56,974.11/x
  3. Step 3: Cross multiply
    181,633.11x = 272,493.40 × 56,974.11
  4. Step 4: Simplify right side
    181,633.11x = 15,525,068,945.87
  5. Step 5: Solve for x
    x = 15,525,068,945.87/181,633.11
  6. Step 6: Final answer
    x = 85,474.88

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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.