Home / 269,186.20-403,779.30-91,893.40

Finding the Fourth Proportional to 269,186.20, 403,779.30 and 91,893.40

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Solution

The fourth proportional to 269,186.20, 403,779.30 and 91,893.40 is: 137,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,186.20 : 403,779.30 = 91,893.40 : x
  2. Step 2: Convert to fraction form
    269,186.20/403,779.30 = 91,893.40/x
  3. Step 3: Cross multiply
    269,186.20x = 403,779.30 × 91,893.40
  4. Step 4: Simplify right side
    269,186.20x = 37,104,652,726.62
  5. Step 5: Solve for x
    x = 37,104,652,726.62/269,186.20
  6. Step 6: Final answer
    x = 137,840.10

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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.