Home / 331,519.48-457,551.75-195,586.66

Finding the Fourth Proportional to 331,519.48, 457,551.75 and 195,586.66

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Solution

The fourth proportional to 331,519.48, 457,551.75 and 195,586.66 is: 269,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,519.48 : 457,551.75 = 195,586.66 : x
  2. Step 2: Convert to fraction form
    331,519.48/457,551.75 = 195,586.66/x
  3. Step 3: Cross multiply
    331,519.48x = 457,551.75 × 195,586.66
  4. Step 4: Simplify right side
    331,519.48x = 89,491,018,559.66
  5. Step 5: Solve for x
    x = 89,491,018,559.66/331,519.48
  6. Step 6: Final answer
    x = 269,941.96

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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.