Home / 154,550.10-231,844.26-54,690.30

Finding the Fourth Proportional to 154,550.10, 231,844.26 and 54,690.30

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Solution

The fourth proportional to 154,550.10, 231,844.26 and 54,690.30 is: 82,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,550.10 : 231,844.26 = 54,690.30 : x
  2. Step 2: Convert to fraction form
    154,550.10/231,844.26 = 54,690.30/x
  3. Step 3: Cross multiply
    154,550.10x = 231,844.26 × 54,690.30
  4. Step 4: Simplify right side
    154,550.10x = 12,679,632,132.68
  5. Step 5: Solve for x
    x = 12,679,632,132.68/154,550.10
  6. Step 6: Final answer
    x = 82,042.21

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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.