Home / 132,622.43-198,860.94-52,579.31

Finding the Fourth Proportional to 132,622.43, 198,860.94 and 52,579.31

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Solution

The fourth proportional to 132,622.43, 198,860.94 and 52,579.31 is: 78,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,622.43 : 198,860.94 = 52,579.31 : x
  2. Step 2: Convert to fraction form
    132,622.43/198,860.94 = 52,579.31/x
  3. Step 3: Cross multiply
    132,622.43x = 198,860.94 × 52,579.31
  4. Step 4: Simplify right side
    132,622.43x = 10,455,971,508.30
  5. Step 5: Solve for x
    x = 10,455,971,508.30/132,622.43
  6. Step 6: Final answer
    x = 78,840.14

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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.