Home / 132,508.96-198,783.60-43,771.84

Finding the Fourth Proportional to 132,508.96, 198,783.60 and 43,771.84

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Solution

The fourth proportional to 132,508.96, 198,783.60 and 43,771.84 is: 65,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,508.96 : 198,783.60 = 43,771.84 : x
  2. Step 2: Convert to fraction form
    132,508.96/198,783.60 = 43,771.84/x
  3. Step 3: Cross multiply
    132,508.96x = 198,783.60 × 43,771.84
  4. Step 4: Simplify right side
    132,508.96x = 8,701,123,933.82
  5. Step 5: Solve for x
    x = 8,701,123,933.82/132,508.96
  6. Step 6: Final answer
    x = 65,664.42

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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.