Home / 194,570.28-268,507.32-109,687.08

Finding the Fourth Proportional to 194,570.28, 268,507.32 and 109,687.08

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Solution

The fourth proportional to 194,570.28, 268,507.32 and 109,687.08 is: 151,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,570.28 : 268,507.32 = 109,687.08 : x
  2. Step 2: Convert to fraction form
    194,570.28/268,507.32 = 109,687.08/x
  3. Step 3: Cross multiply
    194,570.28x = 268,507.32 × 109,687.08
  4. Step 4: Simplify right side
    194,570.28x = 29,451,783,889.43
  5. Step 5: Solve for x
    x = 29,451,783,889.43/194,570.28
  6. Step 6: Final answer
    x = 151,368.36

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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.