Home / 154,550.80-231,826.20-119,515.60

Finding the Fourth Proportional to 154,550.80, 231,826.20 and 119,515.60

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Solution

The fourth proportional to 154,550.80, 231,826.20 and 119,515.60 is: 179,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,550.80 : 231,826.20 = 119,515.60 : x
  2. Step 2: Convert to fraction form
    154,550.80/231,826.20 = 119,515.60/x
  3. Step 3: Cross multiply
    154,550.80x = 231,826.20 × 119,515.60
  4. Step 4: Simplify right side
    154,550.80x = 27,706,847,388.72
  5. Step 5: Solve for x
    x = 27,706,847,388.72/154,550.80
  6. Step 6: Final answer
    x = 179,273.40

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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.