Home / 181,628.22-272,452.56-55,272.57

Finding the Fourth Proportional to 181,628.22, 272,452.56 and 55,272.57

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Solution

The fourth proportional to 181,628.22, 272,452.56 and 55,272.57 is: 82,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,628.22 : 272,452.56 = 55,272.57 : x
  2. Step 2: Convert to fraction form
    181,628.22/272,452.56 = 55,272.57/x
  3. Step 3: Cross multiply
    181,628.22x = 272,452.56 × 55,272.57
  4. Step 4: Simplify right side
    181,628.22x = 15,059,153,808.76
  5. Step 5: Solve for x
    x = 15,059,153,808.76/181,628.22
  6. Step 6: Final answer
    x = 82,911.97

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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.