Home / 267,540.90-401,311.35-109,688.10

Finding the Fourth Proportional to 267,540.90, 401,311.35 and 109,688.10

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Solution

The fourth proportional to 267,540.90, 401,311.35 and 109,688.10 is: 164,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,540.90 : 401,311.35 = 109,688.10 : x
  2. Step 2: Convert to fraction form
    267,540.90/401,311.35 = 109,688.10/x
  3. Step 3: Cross multiply
    267,540.90x = 401,311.35 × 109,688.10
  4. Step 4: Simplify right side
    267,540.90x = 44,019,079,489.94
  5. Step 5: Solve for x
    x = 44,019,079,489.94/267,540.90
  6. Step 6: Final answer
    x = 164,532.15

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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.