Home / 132,686.43-199,043.61-76,525.28

Finding the Fourth Proportional to 132,686.43, 199,043.61 and 76,525.28

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Solution

The fourth proportional to 132,686.43, 199,043.61 and 76,525.28 is: 114,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,686.43 : 199,043.61 = 76,525.28 : x
  2. Step 2: Convert to fraction form
    132,686.43/199,043.61 = 76,525.28/x
  3. Step 3: Cross multiply
    132,686.43x = 199,043.61 × 76,525.28
  4. Step 4: Simplify right side
    132,686.43x = 15,231,867,987.46
  5. Step 5: Solve for x
    x = 15,231,867,987.46/132,686.43
  6. Step 6: Final answer
    x = 114,795.97

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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.