Home / 141,584.29-195,342.33-80,320.38

Finding the Fourth Proportional to 141,584.29, 195,342.33 and 80,320.38

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Solution

The fourth proportional to 141,584.29, 195,342.33 and 80,320.38 is: 110,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,584.29 : 195,342.33 = 80,320.38 : x
  2. Step 2: Convert to fraction form
    141,584.29/195,342.33 = 80,320.38/x
  3. Step 3: Cross multiply
    141,584.29x = 195,342.33 × 80,320.38
  4. Step 4: Simplify right side
    141,584.29x = 15,689,970,175.69
  5. Step 5: Solve for x
    x = 15,689,970,175.69/141,584.29
  6. Step 6: Final answer
    x = 110,817.17

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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.