Home / 181,606.89-272,319.51-67,716.12

Finding the Fourth Proportional to 181,606.89, 272,319.51 and 67,716.12

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Solution

The fourth proportional to 181,606.89, 272,319.51 and 67,716.12 is: 101,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,606.89 : 272,319.51 = 67,716.12 : x
  2. Step 2: Convert to fraction form
    181,606.89/272,319.51 = 67,716.12/x
  3. Step 3: Cross multiply
    181,606.89x = 272,319.51 × 67,716.12
  4. Step 4: Simplify right side
    181,606.89x = 18,440,420,617.50
  5. Step 5: Solve for x
    x = 18,440,420,617.50/181,606.89
  6. Step 6: Final answer
    x = 101,540.31

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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.