Home / 141,989.33-195,945.83-77,459.95

Finding the Fourth Proportional to 141,989.33, 195,945.83 and 77,459.95

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Solution

The fourth proportional to 141,989.33, 195,945.83 and 77,459.95 is: 106,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,989.33 : 195,945.83 = 77,459.95 : x
  2. Step 2: Convert to fraction form
    141,989.33/195,945.83 = 77,459.95/x
  3. Step 3: Cross multiply
    141,989.33x = 195,945.83 × 77,459.95
  4. Step 4: Simplify right side
    141,989.33x = 15,177,954,194.51
  5. Step 5: Solve for x
    x = 15,177,954,194.51/141,989.33
  6. Step 6: Final answer
    x = 106,895.03

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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.