Home / 141,542.84-195,334.49-81,125.14

Finding the Fourth Proportional to 141,542.84, 195,334.49 and 81,125.14

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Solution

The fourth proportional to 141,542.84, 195,334.49 and 81,125.14 is: 111,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,542.84 : 195,334.49 = 81,125.14 : x
  2. Step 2: Convert to fraction form
    141,542.84/195,334.49 = 81,125.14/x
  3. Step 3: Cross multiply
    141,542.84x = 195,334.49 × 81,125.14
  4. Step 4: Simplify right side
    141,542.84x = 15,846,536,954.12
  5. Step 5: Solve for x
    x = 15,846,536,954.12/141,542.84
  6. Step 6: Final answer
    x = 111,955.77

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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.