Home / 154,628.57-231,979.17-48,007.05

Finding the Fourth Proportional to 154,628.57, 231,979.17 and 48,007.05

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Solution

The fourth proportional to 154,628.57, 231,979.17 and 48,007.05 is: 72,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,628.57 : 231,979.17 = 48,007.05 : x
  2. Step 2: Convert to fraction form
    154,628.57/231,979.17 = 48,007.05/x
  3. Step 3: Cross multiply
    154,628.57x = 231,979.17 × 48,007.05
  4. Step 4: Simplify right side
    154,628.57x = 11,136,635,613.15
  5. Step 5: Solve for x
    x = 11,136,635,613.15/154,628.57
  6. Step 6: Final answer
    x = 72,021.85

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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.