Home / 165,027.30-247,638.15-109,029.30

Finding the Fourth Proportional to 165,027.30, 247,638.15 and 109,029.30

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Solution

The fourth proportional to 165,027.30, 247,638.15 and 109,029.30 is: 163,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,027.30 : 247,638.15 = 109,029.30 : x
  2. Step 2: Convert to fraction form
    165,027.30/247,638.15 = 109,029.30/x
  3. Step 3: Cross multiply
    165,027.30x = 247,638.15 × 109,029.30
  4. Step 4: Simplify right side
    165,027.30x = 26,999,814,147.80
  5. Step 5: Solve for x
    x = 26,999,814,147.80/165,027.30
  6. Step 6: Final answer
    x = 163,608.17

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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.