Home / 141,445.26-195,286.60-87,809.08

Finding the Fourth Proportional to 141,445.26, 195,286.60 and 87,809.08

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Solution

The fourth proportional to 141,445.26, 195,286.60 and 87,809.08 is: 121,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,445.26 : 195,286.60 = 87,809.08 : x
  2. Step 2: Convert to fraction form
    141,445.26/195,286.60 = 87,809.08/x
  3. Step 3: Cross multiply
    141,445.26x = 195,286.60 × 87,809.08
  4. Step 4: Simplify right side
    141,445.26x = 17,147,936,682.33
  5. Step 5: Solve for x
    x = 17,147,936,682.33/141,445.26
  6. Step 6: Final answer
    x = 121,233.74

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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.