Home / 181,832.12-272,789.51-55,483.68

Finding the Fourth Proportional to 181,832.12, 272,789.51 and 55,483.68

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Solution

The fourth proportional to 181,832.12, 272,789.51 and 55,483.68 is: 83,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,832.12 : 272,789.51 = 55,483.68 : x
  2. Step 2: Convert to fraction form
    181,832.12/272,789.51 = 55,483.68/x
  3. Step 3: Cross multiply
    181,832.12x = 272,789.51 × 55,483.68
  4. Step 4: Simplify right side
    181,832.12x = 15,135,365,602.78
  5. Step 5: Solve for x
    x = 15,135,365,602.78/181,832.12
  6. Step 6: Final answer
    x = 83,238.13

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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.