Home / 146,571.72-219,709.86-57,790.92

Finding the Fourth Proportional to 146,571.72, 219,709.86 and 57,790.92

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Solution

The fourth proportional to 146,571.72, 219,709.86 and 57,790.92 is: 86,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,571.72 : 219,709.86 = 57,790.92 : x
  2. Step 2: Convert to fraction form
    146,571.72/219,709.86 = 57,790.92/x
  3. Step 3: Cross multiply
    146,571.72x = 219,709.86 × 57,790.92
  4. Step 4: Simplify right side
    146,571.72x = 12,697,234,942.47
  5. Step 5: Solve for x
    x = 12,697,234,942.47/146,571.72
  6. Step 6: Final answer
    x = 86,628.14

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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.