Home / 141,391.68-195,150.26-89,675.30

Finding the Fourth Proportional to 141,391.68, 195,150.26 and 89,675.30

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Solution

The fourth proportional to 141,391.68, 195,150.26 and 89,675.30 is: 123,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,391.68 : 195,150.26 = 89,675.30 : x
  2. Step 2: Convert to fraction form
    141,391.68/195,150.26 = 89,675.30/x
  3. Step 3: Cross multiply
    141,391.68x = 195,150.26 × 89,675.30
  4. Step 4: Simplify right side
    141,391.68x = 17,500,158,822.64
  5. Step 5: Solve for x
    x = 17,500,158,822.64/141,391.68
  6. Step 6: Final answer
    x = 123,770.79

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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.