Home / 281,741.81-422,652.23-92,217.06

Finding the Fourth Proportional to 281,741.81, 422,652.23 and 92,217.06

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Solution

The fourth proportional to 281,741.81, 422,652.23 and 92,217.06 is: 138,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,741.81 : 422,652.23 = 92,217.06 : x
  2. Step 2: Convert to fraction form
    281,741.81/422,652.23 = 92,217.06/x
  3. Step 3: Cross multiply
    281,741.81x = 422,652.23 × 92,217.06
  4. Step 4: Simplify right side
    281,741.81x = 38,975,745,591.96
  5. Step 5: Solve for x
    x = 38,975,745,591.96/281,741.81
  6. Step 6: Final answer
    x = 138,338.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.