Home / 140,600.43-194,028.59-76,938.23

Finding the Fourth Proportional to 140,600.43, 194,028.59 and 76,938.23

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Solution

The fourth proportional to 140,600.43, 194,028.59 and 76,938.23 is: 106,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,600.43 : 194,028.59 = 76,938.23 : x
  2. Step 2: Convert to fraction form
    140,600.43/194,028.59 = 76,938.23/x
  3. Step 3: Cross multiply
    140,600.43x = 194,028.59 × 76,938.23
  4. Step 4: Simplify right side
    140,600.43x = 14,928,215,899.30
  5. Step 5: Solve for x
    x = 14,928,215,899.30/140,600.43
  6. Step 6: Final answer
    x = 106,174.75

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1.5x scale

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.