Home / 316,982.28-437,480.39-196,162.48

Finding the Fourth Proportional to 316,982.28, 437,480.39 and 196,162.48

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Solution

The fourth proportional to 316,982.28, 437,480.39 and 196,162.48 is: 270,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,982.28 : 437,480.39 = 196,162.48 : x
  2. Step 2: Convert to fraction form
    316,982.28/437,480.39 = 196,162.48/x
  3. Step 3: Cross multiply
    316,982.28x = 437,480.39 × 196,162.48
  4. Step 4: Simplify right side
    316,982.28x = 85,817,237,650.47
  5. Step 5: Solve for x
    x = 85,817,237,650.47/316,982.28
  6. Step 6: Final answer
    x = 270,731.97

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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.