Home / 231,933.12-347,894.19-74,162.94

Finding the Fourth Proportional to 231,933.12, 347,894.19 and 74,162.94

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Solution

The fourth proportional to 231,933.12, 347,894.19 and 74,162.94 is: 111,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,933.12 : 347,894.19 = 74,162.94 : x
  2. Step 2: Convert to fraction form
    231,933.12/347,894.19 = 74,162.94/x
  3. Step 3: Cross multiply
    231,933.12x = 347,894.19 × 74,162.94
  4. Step 4: Simplify right side
    231,933.12x = 25,800,855,939.32
  5. Step 5: Solve for x
    x = 25,800,855,939.32/231,933.12
  6. Step 6: Final answer
    x = 111,242.65

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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.