Home / 331,005.66-456,821.46-195,083.40

Finding the Fourth Proportional to 331,005.66, 456,821.46 and 195,083.40

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Solution

The fourth proportional to 331,005.66, 456,821.46 and 195,083.40 is: 269,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,005.66 : 456,821.46 = 195,083.40 : x
  2. Step 2: Convert to fraction form
    331,005.66/456,821.46 = 195,083.40/x
  3. Step 3: Cross multiply
    331,005.66x = 456,821.46 × 195,083.40
  4. Step 4: Simplify right side
    331,005.66x = 89,118,283,609.76
  5. Step 5: Solve for x
    x = 89,118,283,609.76/331,005.66
  6. Step 6: Final answer
    x = 269,234.92

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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.