Home / 320,844.70-481,740.14-178,967.17

Finding the Fourth Proportional to 320,844.70, 481,740.14 and 178,967.17

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Solution

The fourth proportional to 320,844.70, 481,740.14 and 178,967.17 is: 268,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,844.70 : 481,740.14 = 178,967.17 : x
  2. Step 2: Convert to fraction form
    320,844.70/481,740.14 = 178,967.17/x
  3. Step 3: Cross multiply
    320,844.70x = 481,740.14 × 178,967.17
  4. Step 4: Simplify right side
    320,844.70x = 86,215,670,580.80
  5. Step 5: Solve for x
    x = 86,215,670,580.80/320,844.70
  6. Step 6: Final answer
    x = 268,714.65

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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.