Home / 130,170.53-195,286.94-45,949.59

Finding the Fourth Proportional to 130,170.53, 195,286.94 and 45,949.59

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Solution

The fourth proportional to 130,170.53, 195,286.94 and 45,949.59 is: 68,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,170.53 : 195,286.94 = 45,949.59 : x
  2. Step 2: Convert to fraction form
    130,170.53/195,286.94 = 45,949.59/x
  3. Step 3: Cross multiply
    130,170.53x = 195,286.94 × 45,949.59
  4. Step 4: Simplify right side
    130,170.53x = 8,973,354,595.61
  5. Step 5: Solve for x
    x = 8,973,354,595.61/130,170.53
  6. Step 6: Final answer
    x = 68,935.38

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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.