Home / 156,517.56-216,028.35-96,119.91

Finding the Fourth Proportional to 156,517.56, 216,028.35 and 96,119.91

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Solution

The fourth proportional to 156,517.56, 216,028.35 and 96,119.91 is: 132,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,517.56 : 216,028.35 = 96,119.91 : x
  2. Step 2: Convert to fraction form
    156,517.56/216,028.35 = 96,119.91/x
  3. Step 3: Cross multiply
    156,517.56x = 216,028.35 × 96,119.91
  4. Step 4: Simplify right side
    156,517.56x = 20,764,625,559.45
  5. Step 5: Solve for x
    x = 20,764,625,559.45/156,517.56
  6. Step 6: Final answer
    x = 132,666.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.