Home / 156,474.25-215,932.57-84,853.41

Finding the Fourth Proportional to 156,474.25, 215,932.57 and 84,853.41

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Solution

The fourth proportional to 156,474.25, 215,932.57 and 84,853.41 is: 117,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,474.25 : 215,932.57 = 84,853.41 : x
  2. Step 2: Convert to fraction form
    156,474.25/215,932.57 = 84,853.41/x
  3. Step 3: Cross multiply
    156,474.25x = 215,932.57 × 84,853.41
  4. Step 4: Simplify right side
    156,474.25x = 18,322,613,872.68
  5. Step 5: Solve for x
    x = 18,322,613,872.68/156,474.25
  6. Step 6: Final answer
    x = 117,096.67

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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.