Home / 320,688.38-480,897.22-96,080.73

Finding the Fourth Proportional to 320,688.38, 480,897.22 and 96,080.73

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Solution

The fourth proportional to 320,688.38, 480,897.22 and 96,080.73 is: 144,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,688.38 : 480,897.22 = 96,080.73 : x
  2. Step 2: Convert to fraction form
    320,688.38/480,897.22 = 96,080.73/x
  3. Step 3: Cross multiply
    320,688.38x = 480,897.22 × 96,080.73
  4. Step 4: Simplify right side
    320,688.38x = 46,204,955,952.57
  5. Step 5: Solve for x
    x = 46,204,955,952.57/320,688.38
  6. Step 6: Final answer
    x = 144,080.54

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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.