Home / 141,453.20-195,202.53-76,923.71

Finding the Fourth Proportional to 141,453.20, 195,202.53 and 76,923.71

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Solution

The fourth proportional to 141,453.20, 195,202.53 and 76,923.71 is: 106,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,453.20 : 195,202.53 = 76,923.71 : x
  2. Step 2: Convert to fraction form
    141,453.20/195,202.53 = 76,923.71/x
  3. Step 3: Cross multiply
    141,453.20x = 195,202.53 × 76,923.71
  4. Step 4: Simplify right side
    141,453.20x = 15,015,701,832.97
  5. Step 5: Solve for x
    x = 15,015,701,832.97/141,453.20
  6. Step 6: Final answer
    x = 106,153.15

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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.