Home / 181,239.66-272,032.47-111,255.66

Finding the Fourth Proportional to 181,239.66, 272,032.47 and 111,255.66

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Solution

The fourth proportional to 181,239.66, 272,032.47 and 111,255.66 is: 166,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,239.66 : 272,032.47 = 111,255.66 : x
  2. Step 2: Convert to fraction form
    181,239.66/272,032.47 = 111,255.66/x
  3. Step 3: Cross multiply
    181,239.66x = 272,032.47 × 111,255.66
  4. Step 4: Simplify right side
    181,239.66x = 30,265,151,991.28
  5. Step 5: Solve for x
    x = 30,265,151,991.28/181,239.66
  6. Step 6: Final answer
    x = 166,989.68

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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.