Home / 141,712.10-195,548.22-87,255.62

Finding the Fourth Proportional to 141,712.10, 195,548.22 and 87,255.62

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Solution

The fourth proportional to 141,712.10, 195,548.22 and 87,255.62 is: 120,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,712.10 : 195,548.22 = 87,255.62 : x
  2. Step 2: Convert to fraction form
    141,712.10/195,548.22 = 87,255.62/x
  3. Step 3: Cross multiply
    141,712.10x = 195,548.22 × 87,255.62
  4. Step 4: Simplify right side
    141,712.10x = 17,062,680,198.26
  5. Step 5: Solve for x
    x = 17,062,680,198.26/141,712.10
  6. Step 6: Final answer
    x = 120,403.84

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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.