Home / 141,887.66-195,806.33-78,227.74

Finding the Fourth Proportional to 141,887.66, 195,806.33 and 78,227.74

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Solution

The fourth proportional to 141,887.66, 195,806.33 and 78,227.74 is: 107,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,887.66 : 195,806.33 = 78,227.74 : x
  2. Step 2: Convert to fraction form
    141,887.66/195,806.33 = 78,227.74/x
  3. Step 3: Cross multiply
    141,887.66x = 195,806.33 × 78,227.74
  4. Step 4: Simplify right side
    141,887.66x = 15,317,486,673.59
  5. Step 5: Solve for x
    x = 15,317,486,673.59/141,887.66
  6. Step 6: Final answer
    x = 107,955.03

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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.