Home / 181,429.20-272,144.43-55,070.52

Finding the Fourth Proportional to 181,429.20, 272,144.43 and 55,070.52

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Solution

The fourth proportional to 181,429.20, 272,144.43 and 55,070.52 is: 82,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,429.20 : 272,144.43 = 55,070.52 : x
  2. Step 2: Convert to fraction form
    181,429.20/272,144.43 = 55,070.52/x
  3. Step 3: Cross multiply
    181,429.20x = 272,144.43 × 55,070.52
  4. Step 4: Simplify right side
    181,429.20x = 14,987,135,275.20
  5. Step 5: Solve for x
    x = 14,987,135,275.20/181,429.20
  6. Step 6: Final answer
    x = 82,605.97

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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.