Home / 120,833.40-181,185.30-50,633.40

Finding the Fourth Proportional to 120,833.40, 181,185.30 and 50,633.40

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Solution

The fourth proportional to 120,833.40, 181,185.30 and 50,633.40 is: 75,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,833.40 : 181,185.30 = 50,633.40 : x
  2. Step 2: Convert to fraction form
    120,833.40/181,185.30 = 50,633.40/x
  3. Step 3: Cross multiply
    120,833.40x = 181,185.30 × 50,633.40
  4. Step 4: Simplify right side
    120,833.40x = 9,174,027,769.02
  5. Step 5: Solve for x
    x = 9,174,027,769.02/120,833.40
  6. Step 6: Final answer
    x = 75,922.95

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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.