Home / 141,570.54-195,363.99-81,176.58

Finding the Fourth Proportional to 141,570.54, 195,363.99 and 81,176.58

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Solution

The fourth proportional to 141,570.54, 195,363.99 and 81,176.58 is: 112,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,570.54 : 195,363.99 = 81,176.58 : x
  2. Step 2: Convert to fraction form
    141,570.54/195,363.99 = 81,176.58/x
  3. Step 3: Cross multiply
    141,570.54x = 195,363.99 × 81,176.58
  4. Step 4: Simplify right side
    141,570.54x = 15,858,980,563.35
  5. Step 5: Solve for x
    x = 15,858,980,563.35/141,570.54
  6. Step 6: Final answer
    x = 112,021.76

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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.