Home / 320,186.14-441,661.10-205,425.76

Finding the Fourth Proportional to 320,186.14, 441,661.10 and 205,425.76

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Solution

The fourth proportional to 320,186.14, 441,661.10 and 205,425.76 is: 283,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,186.14 : 441,661.10 = 205,425.76 : x
  2. Step 2: Convert to fraction form
    320,186.14/441,661.10 = 205,425.76/x
  3. Step 3: Cross multiply
    320,186.14x = 441,661.10 × 205,425.76
  4. Step 4: Simplify right side
    320,186.14x = 90,728,567,129.94
  5. Step 5: Solve for x
    x = 90,728,567,129.94/320,186.14
  6. Step 6: Final answer
    x = 283,361.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.