Home / 267,558.90-401,379.84-90,052.05

Finding the Fourth Proportional to 267,558.90, 401,379.84 and 90,052.05

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Solution

The fourth proportional to 267,558.90, 401,379.84 and 90,052.05 is: 135,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,558.90 : 401,379.84 = 90,052.05 : x
  2. Step 2: Convert to fraction form
    267,558.90/401,379.84 = 90,052.05/x
  3. Step 3: Cross multiply
    267,558.90x = 401,379.84 × 90,052.05
  4. Step 4: Simplify right side
    267,558.90x = 36,145,077,420.67
  5. Step 5: Solve for x
    x = 36,145,077,420.67/267,558.90
  6. Step 6: Final answer
    x = 135,092.04

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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.