Home / 267,564.20-401,151.90-109,711.40

Finding the Fourth Proportional to 267,564.20, 401,151.90 and 109,711.40

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Solution

The fourth proportional to 267,564.20, 401,151.90 and 109,711.40 is: 164,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,564.20 : 401,151.90 = 109,711.40 : x
  2. Step 2: Convert to fraction form
    267,564.20/401,151.90 = 109,711.40/x
  3. Step 3: Cross multiply
    267,564.20x = 401,151.90 × 109,711.40
  4. Step 4: Simplify right side
    267,564.20x = 44,010,936,561.66
  5. Step 5: Solve for x
    x = 44,010,936,561.66/267,564.20
  6. Step 6: Final answer
    x = 164,487.39

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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.