Home / 141,568.22-195,368.72-81,150.29

Finding the Fourth Proportional to 141,568.22, 195,368.72 and 81,150.29

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Solution

The fourth proportional to 141,568.22, 195,368.72 and 81,150.29 is: 111,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,568.22 : 195,368.72 = 81,150.29 : x
  2. Step 2: Convert to fraction form
    141,568.22/195,368.72 = 81,150.29/x
  3. Step 3: Cross multiply
    141,568.22x = 195,368.72 × 81,150.29
  4. Step 4: Simplify right side
    141,568.22x = 15,854,228,367.60
  5. Step 5: Solve for x
    x = 15,854,228,367.60/141,568.22
  6. Step 6: Final answer
    x = 111,990.03

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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.