Home / 120,446.30-180,596.55-53,874.02

Finding the Fourth Proportional to 120,446.30, 180,596.55 and 53,874.02

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Solution

The fourth proportional to 120,446.30, 180,596.55 and 53,874.02 is: 80,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,446.30 : 180,596.55 = 53,874.02 : x
  2. Step 2: Convert to fraction form
    120,446.30/180,596.55 = 53,874.02/x
  3. Step 3: Cross multiply
    120,446.30x = 180,596.55 × 53,874.02
  4. Step 4: Simplify right side
    120,446.30x = 9,729,462,146.63
  5. Step 5: Solve for x
    x = 9,729,462,146.63/120,446.30
  6. Step 6: Final answer
    x = 80,778.42

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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.