Home / 204,455.92-306,343.14-71,262.76

Finding the Fourth Proportional to 204,455.92, 306,343.14 and 71,262.76

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Solution

The fourth proportional to 204,455.92, 306,343.14 and 71,262.76 is: 106,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,455.92 : 306,343.14 = 71,262.76 : x
  2. Step 2: Convert to fraction form
    204,455.92/306,343.14 = 71,262.76/x
  3. Step 3: Cross multiply
    204,455.92x = 306,343.14 × 71,262.76
  4. Step 4: Simplify right side
    204,455.92x = 21,830,857,663.47
  5. Step 5: Solve for x
    x = 21,830,857,663.47/204,455.92
  6. Step 6: Final answer
    x = 106,775.38

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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.