Home / 141,936.48-195,643.88-103,635.30

Finding the Fourth Proportional to 141,936.48, 195,643.88 and 103,635.30

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Solution

The fourth proportional to 141,936.48, 195,643.88 and 103,635.30 is: 142,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,936.48 : 195,643.88 = 103,635.30 : x
  2. Step 2: Convert to fraction form
    141,936.48/195,643.88 = 103,635.30/x
  3. Step 3: Cross multiply
    141,936.48x = 195,643.88 × 103,635.30
  4. Step 4: Simplify right side
    141,936.48x = 20,275,612,196.96
  5. Step 5: Solve for x
    x = 20,275,612,196.96/141,936.48
  6. Step 6: Final answer
    x = 142,849.90

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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.