Home / 141,887.41-195,805.99-78,227.49

Finding the Fourth Proportional to 141,887.41, 195,805.99 and 78,227.49

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Solution

The fourth proportional to 141,887.41, 195,805.99 and 78,227.49 is: 107,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,887.41 : 195,805.99 = 78,227.49 : x
  2. Step 2: Convert to fraction form
    141,887.41/195,805.99 = 78,227.49/x
  3. Step 3: Cross multiply
    141,887.41x = 195,805.99 × 78,227.49
  4. Step 4: Simplify right side
    141,887.41x = 15,317,410,733.53
  5. Step 5: Solve for x
    x = 15,317,410,733.53/141,887.41
  6. Step 6: Final answer
    x = 107,954.69

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1.5x scale

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.