Home / 181,424.40-272,194.00-81,593.31

Finding the Fourth Proportional to 181,424.40, 272,194.00 and 81,593.31

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Solution

The fourth proportional to 181,424.40, 272,194.00 and 81,593.31 is: 122,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,424.40 : 272,194.00 = 81,593.31 : x
  2. Step 2: Convert to fraction form
    181,424.40/272,194.00 = 81,593.31/x
  3. Step 3: Cross multiply
    181,424.40x = 272,194.00 × 81,593.31
  4. Step 4: Simplify right side
    181,424.40x = 22,209,210,238.88
  5. Step 5: Solve for x
    x = 22,209,210,238.88/181,424.40
  6. Step 6: Final answer
    x = 122,415.79

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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.