Home / 154,313.10-231,486.66-49,107.47

Finding the Fourth Proportional to 154,313.10, 231,486.66 and 49,107.47

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Solution

The fourth proportional to 154,313.10, 231,486.66 and 49,107.47 is: 73,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.10 : 231,486.66 = 49,107.47 : x
  2. Step 2: Convert to fraction form
    154,313.10/231,486.66 = 49,107.47/x
  3. Step 3: Cross multiply
    154,313.10x = 231,486.66 × 49,107.47
  4. Step 4: Simplify right side
    154,313.10x = 11,367,723,053.92
  5. Step 5: Solve for x
    x = 11,367,723,053.92/154,313.10
  6. Step 6: Final answer
    x = 73,666.61

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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.