Home / 141,491.54-195,286.04-81,102.62

Finding the Fourth Proportional to 141,491.54, 195,286.04 and 81,102.62

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Solution

The fourth proportional to 141,491.54, 195,286.04 and 81,102.62 is: 111,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,491.54 : 195,286.04 = 81,102.62 : x
  2. Step 2: Convert to fraction form
    141,491.54/195,286.04 = 81,102.62/x
  3. Step 3: Cross multiply
    141,491.54x = 195,286.04 × 81,102.62
  4. Step 4: Simplify right side
    141,491.54x = 15,838,210,184.40
  5. Step 5: Solve for x
    x = 15,838,210,184.40/141,491.54
  6. Step 6: Final answer
    x = 111,937.51

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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.