Home / 267,890.08-401,579.52-90,305.44

Finding the Fourth Proportional to 267,890.08, 401,579.52 and 90,305.44

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Solution

The fourth proportional to 267,890.08, 401,579.52 and 90,305.44 is: 135,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,890.08 : 401,579.52 = 90,305.44 : x
  2. Step 2: Convert to fraction form
    267,890.08/401,579.52 = 90,305.44/x
  3. Step 3: Cross multiply
    267,890.08x = 401,579.52 × 90,305.44
  4. Step 4: Simplify right side
    267,890.08x = 36,264,815,248.59
  5. Step 5: Solve for x
    x = 36,264,815,248.59/267,890.08
  6. Step 6: Final answer
    x = 135,372.00

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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.