Home / 140,850.09-194,376.92-77,190.57

Finding the Fourth Proportional to 140,850.09, 194,376.92 and 77,190.57

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Solution

The fourth proportional to 140,850.09, 194,376.92 and 77,190.57 is: 106,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,850.09 : 194,376.92 = 77,190.57 : x
  2. Step 2: Convert to fraction form
    140,850.09/194,376.92 = 77,190.57/x
  3. Step 3: Cross multiply
    140,850.09x = 194,376.92 × 77,190.57
  4. Step 4: Simplify right side
    140,850.09x = 15,004,064,863.69
  5. Step 5: Solve for x
    x = 15,004,064,863.69/140,850.09
  6. Step 6: Final answer
    x = 106,525.06

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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.