Home / 134,760.60-202,286.70-75,711.60

Finding the Fourth Proportional to 134,760.60, 202,286.70 and 75,711.60

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Solution

The fourth proportional to 134,760.60, 202,286.70 and 75,711.60 is: 113,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,760.60 : 202,286.70 = 75,711.60 : x
  2. Step 2: Convert to fraction form
    134,760.60/202,286.70 = 75,711.60/x
  3. Step 3: Cross multiply
    134,760.60x = 202,286.70 × 75,711.60
  4. Step 4: Simplify right side
    134,760.60x = 15,315,449,715.72
  5. Step 5: Solve for x
    x = 15,315,449,715.72/134,760.60
  6. Step 6: Final answer
    x = 113,649.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.