Home / 181,551.11-272,326.66-81,692.69

Finding the Fourth Proportional to 181,551.11, 272,326.66 and 81,692.69

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Solution

The fourth proportional to 181,551.11, 272,326.66 and 81,692.69 is: 122,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,551.11 : 272,326.66 = 81,692.69 : x
  2. Step 2: Convert to fraction form
    181,551.11/272,326.66 = 81,692.69/x
  3. Step 3: Cross multiply
    181,551.11x = 272,326.66 × 81,692.69
  4. Step 4: Simplify right side
    181,551.11x = 22,247,095,848.25
  5. Step 5: Solve for x
    x = 22,247,095,848.25/181,551.11
  6. Step 6: Final answer
    x = 122,539.03

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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.