Home / 141,375.12-195,016.32-84,753.60

Finding the Fourth Proportional to 141,375.12, 195,016.32 and 84,753.60

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Solution

The fourth proportional to 141,375.12, 195,016.32 and 84,753.60 is: 116,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,375.12 : 195,016.32 = 84,753.60 : x
  2. Step 2: Convert to fraction form
    141,375.12/195,016.32 = 84,753.60/x
  3. Step 3: Cross multiply
    141,375.12x = 195,016.32 × 84,753.60
  4. Step 4: Simplify right side
    141,375.12x = 16,528,335,178.75
  5. Step 5: Solve for x
    x = 16,528,335,178.75/141,375.12
  6. Step 6: Final answer
    x = 116,911.20

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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.