Home / 141,313.97-194,965.03-87,579.38

Finding the Fourth Proportional to 141,313.97, 194,965.03 and 87,579.38

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Solution

The fourth proportional to 141,313.97, 194,965.03 and 87,579.38 is: 120,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.97 : 194,965.03 = 87,579.38 : x
  2. Step 2: Convert to fraction form
    141,313.97/194,965.03 = 87,579.38/x
  3. Step 3: Cross multiply
    141,313.97x = 194,965.03 × 87,579.38
  4. Step 4: Simplify right side
    141,313.97x = 17,074,915,456.66
  5. Step 5: Solve for x
    x = 17,074,915,456.66/141,313.97
  6. Step 6: Final answer
    x = 120,829.64

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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.