Home / 194,505.15-268,406.75-108,472.97

Finding the Fourth Proportional to 194,505.15, 268,406.75 and 108,472.97

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Solution

The fourth proportional to 194,505.15, 268,406.75 and 108,472.97 is: 149,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,505.15 : 268,406.75 = 108,472.97 : x
  2. Step 2: Convert to fraction form
    194,505.15/268,406.75 = 108,472.97/x
  3. Step 3: Cross multiply
    194,505.15x = 268,406.75 × 108,472.97
  4. Step 4: Simplify right side
    194,505.15x = 29,114,875,456.15
  5. Step 5: Solve for x
    x = 29,114,875,456.15/194,505.15
  6. Step 6: Final answer
    x = 149,686.91

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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.