Home / 181,415.80-272,124.30-55,057.12

Finding the Fourth Proportional to 181,415.80, 272,124.30 and 55,057.12

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Solution

The fourth proportional to 181,415.80, 272,124.30 and 55,057.12 is: 82,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,415.80 : 272,124.30 = 55,057.12 : x
  2. Step 2: Convert to fraction form
    181,415.80/272,124.30 = 55,057.12/x
  3. Step 3: Cross multiply
    181,415.80x = 272,124.30 × 55,057.12
  4. Step 4: Simplify right side
    181,415.80x = 14,982,380,240.02
  5. Step 5: Solve for x
    x = 14,982,380,240.02/181,415.80
  6. Step 6: Final answer
    x = 82,585.86

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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.