Home / 154,137.26-231,205.88-43,329.26

Finding the Fourth Proportional to 154,137.26, 231,205.88 and 43,329.26

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Solution

The fourth proportional to 154,137.26, 231,205.88 and 43,329.26 is: 64,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,137.26 : 231,205.88 = 43,329.26 : x
  2. Step 2: Convert to fraction form
    154,137.26/231,205.88 = 43,329.26/x
  3. Step 3: Cross multiply
    154,137.26x = 231,205.88 × 43,329.26
  4. Step 4: Simplify right side
    154,137.26x = 10,017,979,688.05
  5. Step 5: Solve for x
    x = 10,017,979,688.05/154,137.26
  6. Step 6: Final answer
    x = 64,993.89

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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.