Home / 331,113.86-457,025.00-203,896.07

Finding the Fourth Proportional to 331,113.86, 457,025.00 and 203,896.07

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Solution

The fourth proportional to 331,113.86, 457,025.00 and 203,896.07 is: 281,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,113.86 : 457,025.00 = 203,896.07 : x
  2. Step 2: Convert to fraction form
    331,113.86/457,025.00 = 203,896.07/x
  3. Step 3: Cross multiply
    331,113.86x = 457,025.00 × 203,896.07
  4. Step 4: Simplify right side
    331,113.86x = 93,185,598,087.14
  5. Step 5: Solve for x
    x = 93,185,598,087.14/331,113.86
  6. Step 6: Final answer
    x = 281,430.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.