Home / 141,123.21-194,742.92-83,765.04

Finding the Fourth Proportional to 141,123.21, 194,742.92 and 83,765.04

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Solution

The fourth proportional to 141,123.21, 194,742.92 and 83,765.04 is: 115,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,123.21 : 194,742.92 = 83,765.04 : x
  2. Step 2: Convert to fraction form
    141,123.21/194,742.92 = 83,765.04/x
  3. Step 3: Cross multiply
    141,123.21x = 194,742.92 × 83,765.04
  4. Step 4: Simplify right side
    141,123.21x = 16,312,647,090.98
  5. Step 5: Solve for x
    x = 16,312,647,090.98/141,123.21
  6. Step 6: Final answer
    x = 115,591.53

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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.