Home / 132,161.60-198,244-38,669.28

Finding the Fourth Proportional to 132,161.60, 198,244 and 38,669.28

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Solution

The fourth proportional to 132,161.60, 198,244 and 38,669.28 is: 58,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,161.60 : 198,244 = 38,669.28 : x
  2. Step 2: Convert to fraction form
    132,161.60/198,244 = 38,669.28/x
  3. Step 3: Cross multiply
    132,161.60x = 198,244 × 38,669.28
  4. Step 4: Simplify right side
    132,161.60x = 7,665,952,744.32
  5. Step 5: Solve for x
    x = 7,665,952,744.32/132,161.60
  6. Step 6: Final answer
    x = 58,004.39

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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.