Home / 132,352.70-198,417.40-57,416.43

Finding the Fourth Proportional to 132,352.70, 198,417.40 and 57,416.43

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Solution

The fourth proportional to 132,352.70, 198,417.40 and 57,416.43 is: 86,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,352.70 : 198,417.40 = 57,416.43 : x
  2. Step 2: Convert to fraction form
    132,352.70/198,417.40 = 57,416.43/x
  3. Step 3: Cross multiply
    132,352.70x = 198,417.40 × 57,416.43
  4. Step 4: Simplify right side
    132,352.70x = 11,392,418,757.88
  5. Step 5: Solve for x
    x = 11,392,418,757.88/132,352.70
  6. Step 6: Final answer
    x = 86,076.21

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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.