Home / 141,628.24-195,447-77,966.04

Finding the Fourth Proportional to 141,628.24, 195,447 and 77,966.04

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Solution

The fourth proportional to 141,628.24, 195,447 and 77,966.04 is: 107,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,628.24 : 195,447 = 77,966.04 : x
  2. Step 2: Convert to fraction form
    141,628.24/195,447 = 77,966.04/x
  3. Step 3: Cross multiply
    141,628.24x = 195,447 × 77,966.04
  4. Step 4: Simplify right side
    141,628.24x = 15,238,228,619.88
  5. Step 5: Solve for x
    x = 15,238,228,619.88/141,628.24
  6. Step 6: Final answer
    x = 107,593.15

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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.