Home / 120,935.23-181,464.29-54,361.95

Finding the Fourth Proportional to 120,935.23, 181,464.29 and 54,361.95

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Solution

The fourth proportional to 120,935.23, 181,464.29 and 54,361.95 is: 81,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,935.23 : 181,464.29 = 54,361.95 : x
  2. Step 2: Convert to fraction form
    120,935.23/181,464.29 = 54,361.95/x
  3. Step 3: Cross multiply
    120,935.23x = 181,464.29 × 54,361.95
  4. Step 4: Simplify right side
    120,935.23x = 9,864,752,387.96
  5. Step 5: Solve for x
    x = 9,864,752,387.96/120,935.23
  6. Step 6: Final answer
    x = 81,570.54

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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.