Home / 141,940.33-195,877.85-77,409.71

Finding the Fourth Proportional to 141,940.33, 195,877.85 and 77,409.71

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Solution

The fourth proportional to 141,940.33, 195,877.85 and 77,409.71 is: 106,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,940.33 : 195,877.85 = 77,409.71 : x
  2. Step 2: Convert to fraction form
    141,940.33/195,877.85 = 77,409.71/x
  3. Step 3: Cross multiply
    141,940.33x = 195,877.85 × 77,409.71
  4. Step 4: Simplify right side
    141,940.33x = 15,162,846,932.03
  5. Step 5: Solve for x
    x = 15,162,846,932.03/141,940.33
  6. Step 6: Final answer
    x = 106,825.50

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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.