Home / 141,642.24-195,464.16-84,321.60

Finding the Fourth Proportional to 141,642.24, 195,464.16 and 84,321.60

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Solution

The fourth proportional to 141,642.24, 195,464.16 and 84,321.60 is: 116,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,642.24 : 195,464.16 = 84,321.60 : x
  2. Step 2: Convert to fraction form
    141,642.24/195,464.16 = 84,321.60/x
  3. Step 3: Cross multiply
    141,642.24x = 195,464.16 × 84,321.60
  4. Step 4: Simplify right side
    141,642.24x = 16,481,850,713.86
  5. Step 5: Solve for x
    x = 16,481,850,713.86/141,642.24
  6. Step 6: Final answer
    x = 116,362.54

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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.