Home / 141,396.43-195,124.98-76,863.53

Finding the Fourth Proportional to 141,396.43, 195,124.98 and 76,863.53

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Solution

The fourth proportional to 141,396.43, 195,124.98 and 76,863.53 is: 106,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,396.43 : 195,124.98 = 76,863.53 : x
  2. Step 2: Convert to fraction form
    141,396.43/195,124.98 = 76,863.53/x
  3. Step 3: Cross multiply
    141,396.43x = 195,124.98 × 76,863.53
  4. Step 4: Simplify right side
    141,396.43x = 14,997,993,778.35
  5. Step 5: Solve for x
    x = 14,997,993,778.35/141,396.43
  6. Step 6: Final answer
    x = 106,070.53

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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.