Home / 129,991.14-194,993.66-36,504.18

Finding the Fourth Proportional to 129,991.14, 194,993.66 and 36,504.18

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Solution

The fourth proportional to 129,991.14, 194,993.66 and 36,504.18 is: 54,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,991.14 : 194,993.66 = 36,504.18 : x
  2. Step 2: Convert to fraction form
    129,991.14/194,993.66 = 36,504.18/x
  3. Step 3: Cross multiply
    129,991.14x = 194,993.66 × 36,504.18
  4. Step 4: Simplify right side
    129,991.14x = 7,118,083,754.76
  5. Step 5: Solve for x
    x = 7,118,083,754.76/129,991.14
  6. Step 6: Final answer
    x = 54,758.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.