Home / 120,627.36-181,000.98-54,114.48

Finding the Fourth Proportional to 120,627.36, 181,000.98 and 54,114.48

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Solution

The fourth proportional to 120,627.36, 181,000.98 and 54,114.48 is: 81,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,627.36 : 181,000.98 = 54,114.48 : x
  2. Step 2: Convert to fraction form
    120,627.36/181,000.98 = 54,114.48/x
  3. Step 3: Cross multiply
    120,627.36x = 181,000.98 × 54,114.48
  4. Step 4: Simplify right side
    120,627.36x = 9,794,773,912.19
  5. Step 5: Solve for x
    x = 9,794,773,912.19/120,627.36
  6. Step 6: Final answer
    x = 81,198.61

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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.