Home / 141,170.68-194,815.92-77,512.60

Finding the Fourth Proportional to 141,170.68, 194,815.92 and 77,512.60

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Solution

The fourth proportional to 141,170.68, 194,815.92 and 77,512.60 is: 106,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,170.68 : 194,815.92 = 77,512.60 : x
  2. Step 2: Convert to fraction form
    141,170.68/194,815.92 = 77,512.60/x
  3. Step 3: Cross multiply
    141,170.68x = 194,815.92 × 77,512.60
  4. Step 4: Simplify right side
    141,170.68x = 15,100,688,480.59
  5. Step 5: Solve for x
    x = 15,100,688,480.59/141,170.68
  6. Step 6: Final answer
    x = 106,967.60

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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.