Home / 181,821.16-272,747.54-55,489.88

Finding the Fourth Proportional to 181,821.16, 272,747.54 and 55,489.88

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Solution

The fourth proportional to 181,821.16, 272,747.54 and 55,489.88 is: 83,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,821.16 : 272,747.54 = 55,489.88 : x
  2. Step 2: Convert to fraction form
    181,821.16/272,747.54 = 55,489.88/x
  3. Step 3: Cross multiply
    181,821.16x = 272,747.54 × 55,489.88
  4. Step 4: Simplify right side
    181,821.16x = 15,134,728,264.90
  5. Step 5: Solve for x
    x = 15,134,728,264.90/181,821.16
  6. Step 6: Final answer
    x = 83,239.64

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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.