Home / 168,211.13-252,365.40-49,885.32

Finding the Fourth Proportional to 168,211.13, 252,365.40 and 49,885.32

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Solution

The fourth proportional to 168,211.13, 252,365.40 and 49,885.32 is: 74,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,211.13 : 252,365.40 = 49,885.32 : x
  2. Step 2: Convert to fraction form
    168,211.13/252,365.40 = 49,885.32/x
  3. Step 3: Cross multiply
    168,211.13x = 252,365.40 × 49,885.32
  4. Step 4: Simplify right side
    168,211.13x = 12,589,328,735.93
  5. Step 5: Solve for x
    x = 12,589,328,735.93/168,211.13
  6. Step 6: Final answer
    x = 74,842.43

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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.