Home / 331,561.76-497,439.68-106,917.65

Finding the Fourth Proportional to 331,561.76, 497,439.68 and 106,917.65

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Solution

The fourth proportional to 331,561.76, 497,439.68 and 106,917.65 is: 160,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,561.76 : 497,439.68 = 106,917.65 : x
  2. Step 2: Convert to fraction form
    331,561.76/497,439.68 = 106,917.65/x
  3. Step 3: Cross multiply
    331,561.76x = 497,439.68 × 106,917.65
  4. Step 4: Simplify right side
    331,561.76x = 53,185,078,580.57
  5. Step 5: Solve for x
    x = 53,185,078,580.57/331,561.76
  6. Step 6: Final answer
    x = 160,407.76

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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.