Home / 320,185.14-441,659.72-205,424.76

Finding the Fourth Proportional to 320,185.14, 441,659.72 and 205,424.76

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Solution

The fourth proportional to 320,185.14, 441,659.72 and 205,424.76 is: 283,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,185.14 : 441,659.72 = 205,424.76 : x
  2. Step 2: Convert to fraction form
    320,185.14/441,659.72 = 205,424.76/x
  3. Step 3: Cross multiply
    320,185.14x = 441,659.72 × 205,424.76
  4. Step 4: Simplify right side
    320,185.14x = 90,727,841,982.67
  5. Step 5: Solve for x
    x = 90,727,841,982.67/320,185.14
  6. Step 6: Final answer
    x = 283,360.56

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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.