Home / 204,186.40-305,665.20-179,610.40

Finding the Fourth Proportional to 204,186.40, 305,665.20 and 179,610.40

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Solution

The fourth proportional to 204,186.40, 305,665.20 and 179,610.40 is: 268,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,186.40 : 305,665.20 = 179,610.40 : x
  2. Step 2: Convert to fraction form
    204,186.40/305,665.20 = 179,610.40/x
  3. Step 3: Cross multiply
    204,186.40x = 305,665.20 × 179,610.40
  4. Step 4: Simplify right side
    204,186.40x = 54,900,648,838.08
  5. Step 5: Solve for x
    x = 54,900,648,838.08/204,186.40
  6. Step 6: Final answer
    x = 268,875.15

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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.