Home / 154,435.80-231,653.70-107,196.60

Finding the Fourth Proportional to 154,435.80, 231,653.70 and 107,196.60

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Solution

The fourth proportional to 154,435.80, 231,653.70 and 107,196.60 is: 160,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,435.80 : 231,653.70 = 107,196.60 : x
  2. Step 2: Convert to fraction form
    154,435.80/231,653.70 = 107,196.60/x
  3. Step 3: Cross multiply
    154,435.80x = 231,653.70 × 107,196.60
  4. Step 4: Simplify right side
    154,435.80x = 24,832,489,017.42
  5. Step 5: Solve for x
    x = 24,832,489,017.42/154,435.80
  6. Step 6: Final answer
    x = 160,794.90

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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.