Home / 319,917.12-479,826.46-106,688.76

Finding the Fourth Proportional to 319,917.12, 479,826.46 and 106,688.76

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Solution

The fourth proportional to 319,917.12, 479,826.46 and 106,688.76 is: 160,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,917.12 : 479,826.46 = 106,688.76 : x
  2. Step 2: Convert to fraction form
    319,917.12/479,826.46 = 106,688.76/x
  3. Step 3: Cross multiply
    319,917.12x = 479,826.46 × 106,688.76
  4. Step 4: Simplify right side
    319,917.12x = 51,192,090,032.59
  5. Step 5: Solve for x
    x = 51,192,090,032.59/319,917.12
  6. Step 6: Final answer
    x = 160,016.73

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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.