Home / 141,558.54-195,350.84-77,896.38

Finding the Fourth Proportional to 141,558.54, 195,350.84 and 77,896.38

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Solution

The fourth proportional to 141,558.54, 195,350.84 and 77,896.38 is: 107,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,558.54 : 195,350.84 = 77,896.38 : x
  2. Step 2: Convert to fraction form
    141,558.54/195,350.84 = 77,896.38/x
  3. Step 3: Cross multiply
    141,558.54x = 195,350.84 × 77,896.38
  4. Step 4: Simplify right side
    141,558.54x = 15,217,123,901.15
  5. Step 5: Solve for x
    x = 15,217,123,901.15/141,558.54
  6. Step 6: Final answer
    x = 107,497.04

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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.