Home / 132,353.20-198,418.15-57,416.93

Finding the Fourth Proportional to 132,353.20, 198,418.15 and 57,416.93

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Solution

The fourth proportional to 132,353.20, 198,418.15 and 57,416.93 is: 86,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,353.20 : 198,418.15 = 57,416.93 : x
  2. Step 2: Convert to fraction form
    132,353.20/198,418.15 = 57,416.93/x
  3. Step 3: Cross multiply
    132,353.20x = 198,418.15 × 57,416.93
  4. Step 4: Simplify right side
    132,353.20x = 11,392,561,029.28
  5. Step 5: Solve for x
    x = 11,392,561,029.28/132,353.20
  6. Step 6: Final answer
    x = 86,076.96

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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.