Home / 141,287.22-194,889.87-83,887.62

Finding the Fourth Proportional to 141,287.22, 194,889.87 and 83,887.62

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Solution

The fourth proportional to 141,287.22, 194,889.87 and 83,887.62 is: 115,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,287.22 : 194,889.87 = 83,887.62 : x
  2. Step 2: Convert to fraction form
    141,287.22/194,889.87 = 83,887.62/x
  3. Step 3: Cross multiply
    141,287.22x = 194,889.87 × 83,887.62
  4. Step 4: Simplify right side
    141,287.22x = 16,348,847,356.41
  5. Step 5: Solve for x
    x = 16,348,847,356.41/141,287.22
  6. Step 6: Final answer
    x = 115,713.56

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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.