Home / 179,793.90-269,856.50-91,109.43

Finding the Fourth Proportional to 179,793.90, 269,856.50 and 91,109.43

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Solution

The fourth proportional to 179,793.90, 269,856.50 and 91,109.43 is: 136,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,793.90 : 269,856.50 = 91,109.43 : x
  2. Step 2: Convert to fraction form
    179,793.90/269,856.50 = 91,109.43/x
  3. Step 3: Cross multiply
    179,793.90x = 269,856.50 × 91,109.43
  4. Step 4: Simplify right side
    179,793.90x = 24,586,471,441.25
  5. Step 5: Solve for x
    x = 24,586,471,441.25/179,793.90
  6. Step 6: Final answer
    x = 136,748.08

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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.