Home / 141,863.24-195,767.34-78,201.02

Finding the Fourth Proportional to 141,863.24, 195,767.34 and 78,201.02

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Solution

The fourth proportional to 141,863.24, 195,767.34 and 78,201.02 is: 107,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,863.24 : 195,767.34 = 78,201.02 : x
  2. Step 2: Convert to fraction form
    141,863.24/195,767.34 = 78,201.02/x
  3. Step 3: Cross multiply
    141,863.24x = 195,767.34 × 78,201.02
  4. Step 4: Simplify right side
    141,863.24x = 15,309,205,670.69
  5. Step 5: Solve for x
    x = 15,309,205,670.69/141,863.24
  6. Step 6: Final answer
    x = 107,915.24

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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.