Home / 141,286.08-194,964.96-77,626.56

Finding the Fourth Proportional to 141,286.08, 194,964.96 and 77,626.56

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Solution

The fourth proportional to 141,286.08, 194,964.96 and 77,626.56 is: 107,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,286.08 : 194,964.96 = 77,626.56 : x
  2. Step 2: Convert to fraction form
    141,286.08/194,964.96 = 77,626.56/x
  3. Step 3: Cross multiply
    141,286.08x = 194,964.96 × 77,626.56
  4. Step 4: Simplify right side
    141,286.08x = 15,134,459,165.34
  5. Step 5: Solve for x
    x = 15,134,459,165.34/141,286.08
  6. Step 6: Final answer
    x = 107,119.25

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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.