Home / 194,581.56-268,518.96-109,698.72

Finding the Fourth Proportional to 194,581.56, 268,518.96 and 109,698.72

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Solution

The fourth proportional to 194,581.56, 268,518.96 and 109,698.72 is: 151,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,581.56 : 268,518.96 = 109,698.72 : x
  2. Step 2: Convert to fraction form
    194,581.56/268,518.96 = 109,698.72/x
  3. Step 3: Cross multiply
    194,581.56x = 268,518.96 × 109,698.72
  4. Step 4: Simplify right side
    194,581.56x = 29,456,186,207.73
  5. Step 5: Solve for x
    x = 29,456,186,207.73/194,581.56
  6. Step 6: Final answer
    x = 151,382.21

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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.